Home / 1,152,006.30-1,728,009.45-404,127.90

Finding the Fourth Proportional to 1,152,006.30, 1,728,009.45 and 404,127.90

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Solution

The fourth proportional to 1,152,006.30, 1,728,009.45 and 404,127.90 is: 606,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,006.30 : 1,728,009.45 = 404,127.90 : x
  2. Step 2: Convert to fraction form
    1,152,006.30/1,728,009.45 = 404,127.90/x
  3. Step 3: Cross multiply
    1,152,006.30x = 1,728,009.45 × 404,127.90
  4. Step 4: Simplify right side
    1,152,006.30x = 698,336,830,208.66
  5. Step 5: Solve for x
    x = 698,336,830,208.66/1,152,006.30
  6. Step 6: Final answer
    x = 606,191.85

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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.