Home / 656,031.31-905,627.13-462,596.63

Finding the Fourth Proportional to 656,031.31, 905,627.13 and 462,596.63

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Solution

The fourth proportional to 656,031.31, 905,627.13 and 462,596.63 is: 638,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,031.31 : 905,627.13 = 462,596.63 : x
  2. Step 2: Convert to fraction form
    656,031.31/905,627.13 = 462,596.63/x
  3. Step 3: Cross multiply
    656,031.31x = 905,627.13 × 462,596.63
  4. Step 4: Simplify right side
    656,031.31x = 418,940,061,081.50
  5. Step 5: Solve for x
    x = 418,940,061,081.50/656,031.31
  6. Step 6: Final answer
    x = 638,597.66

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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.