Home / 748,501.08-1,032,931.20-404,336.92

Finding the Fourth Proportional to 748,501.08, 1,032,931.20 and 404,336.92

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Solution

The fourth proportional to 748,501.08, 1,032,931.20 and 404,336.92 is: 557,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,501.08 : 1,032,931.20 = 404,336.92 : x
  2. Step 2: Convert to fraction form
    748,501.08/1,032,931.20 = 404,336.92/x
  3. Step 3: Cross multiply
    748,501.08x = 1,032,931.20 × 404,336.92
  4. Step 4: Simplify right side
    748,501.08x = 417,652,219,979.90
  5. Step 5: Solve for x
    x = 417,652,219,979.90/748,501.08
  6. Step 6: Final answer
    x = 557,984.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.