Home / 1,203,140.30-1,804,710.45-404,156.30

Finding the Fourth Proportional to 1,203,140.30, 1,804,710.45 and 404,156.30

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Solution

The fourth proportional to 1,203,140.30, 1,804,710.45 and 404,156.30 is: 606,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,140.30 : 1,804,710.45 = 404,156.30 : x
  2. Step 2: Convert to fraction form
    1,203,140.30/1,804,710.45 = 404,156.30/x
  3. Step 3: Cross multiply
    1,203,140.30x = 1,804,710.45 × 404,156.30
  4. Step 4: Simplify right side
    1,203,140.30x = 729,385,098,043.34
  5. Step 5: Solve for x
    x = 729,385,098,043.34/1,203,140.30
  6. Step 6: Final answer
    x = 606,234.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.