Home / 774,542.91-1,159,327.98-413,812.32

Finding the Fourth Proportional to 774,542.91, 1,159,327.98 and 413,812.32

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Solution

The fourth proportional to 774,542.91, 1,159,327.98 and 413,812.32 is: 619,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,542.91 : 1,159,327.98 = 413,812.32 : x
  2. Step 2: Convert to fraction form
    774,542.91/1,159,327.98 = 413,812.32/x
  3. Step 3: Cross multiply
    774,542.91x = 1,159,327.98 × 413,812.32
  4. Step 4: Simplify right side
    774,542.91x = 479,744,201,044.71
  5. Step 5: Solve for x
    x = 479,744,201,044.71/774,542.91
  6. Step 6: Final answer
    x = 619,390.09

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Double scale
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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.