Home / 832,399.92-1,148,714.91-450,426.69

Finding the Fourth Proportional to 832,399.92, 1,148,714.91 and 450,426.69

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Solution

The fourth proportional to 832,399.92, 1,148,714.91 and 450,426.69 is: 621,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,399.92 : 1,148,714.91 = 450,426.69 : x
  2. Step 2: Convert to fraction form
    832,399.92/1,148,714.91 = 450,426.69/x
  3. Step 3: Cross multiply
    832,399.92x = 1,148,714.91 × 450,426.69
  4. Step 4: Simplify right side
    832,399.92x = 517,411,854,664.95
  5. Step 5: Solve for x
    x = 517,411,854,664.95/832,399.92
  6. Step 6: Final answer
    x = 621,590.47

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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.