Home / 904,516.92-1,248,140.88-522,666.72

Finding the Fourth Proportional to 904,516.92, 1,248,140.88 and 522,666.72

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Solution

The fourth proportional to 904,516.92, 1,248,140.88 and 522,666.72 is: 721,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,516.92 : 1,248,140.88 = 522,666.72 : x
  2. Step 2: Convert to fraction form
    904,516.92/1,248,140.88 = 522,666.72/x
  3. Step 3: Cross multiply
    904,516.92x = 1,248,140.88 × 522,666.72
  4. Step 4: Simplify right side
    904,516.92x = 652,361,699,847.51
  5. Step 5: Solve for x
    x = 652,361,699,847.51/904,516.92
  6. Step 6: Final answer
    x = 721,226.64

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.