Home / 738,152.30-1,107,228.45-364,904.30

Finding the Fourth Proportional to 738,152.30, 1,107,228.45 and 364,904.30

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Solution

The fourth proportional to 738,152.30, 1,107,228.45 and 364,904.30 is: 547,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,152.30 : 1,107,228.45 = 364,904.30 : x
  2. Step 2: Convert to fraction form
    738,152.30/1,107,228.45 = 364,904.30/x
  3. Step 3: Cross multiply
    738,152.30x = 1,107,228.45 × 364,904.30
  4. Step 4: Simplify right side
    738,152.30x = 404,032,422,487.34
  5. Step 5: Solve for x
    x = 404,032,422,487.34/738,152.30
  6. Step 6: Final answer
    x = 547,356.45

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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.