Home / 881,534.48-1,216,492.04-499,596.56

Finding the Fourth Proportional to 881,534.48, 1,216,492.04 and 499,596.56

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Solution

The fourth proportional to 881,534.48, 1,216,492.04 and 499,596.56 is: 689,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,534.48 : 1,216,492.04 = 499,596.56 : x
  2. Step 2: Convert to fraction form
    881,534.48/1,216,492.04 = 499,596.56/x
  3. Step 3: Cross multiply
    881,534.48x = 1,216,492.04 × 499,596.56
  4. Step 4: Simplify right side
    881,534.48x = 607,755,238,451.38
  5. Step 5: Solve for x
    x = 607,755,238,451.38/881,534.48
  6. Step 6: Final answer
    x = 689,428.78

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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.