Home / 881,538.84-1,216,549.26-499,552.92

Finding the Fourth Proportional to 881,538.84, 1,216,549.26 and 499,552.92

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Solution

The fourth proportional to 881,538.84, 1,216,549.26 and 499,552.92 is: 689,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,538.84 : 1,216,549.26 = 499,552.92 : x
  2. Step 2: Convert to fraction form
    881,538.84/1,216,549.26 = 499,552.92/x
  3. Step 3: Cross multiply
    881,538.84x = 1,216,549.26 × 499,552.92
  4. Step 4: Simplify right side
    881,538.84x = 607,730,735,156.84
  5. Step 5: Solve for x
    x = 607,730,735,156.84/881,538.84
  6. Step 6: Final answer
    x = 689,397.57

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Double scale
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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.