Home / 653,321.05-899,497.52-557,442.97

Finding the Fourth Proportional to 653,321.05, 899,497.52 and 557,442.97

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Solution

The fourth proportional to 653,321.05, 899,497.52 and 557,442.97 is: 767,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,321.05 : 899,497.52 = 557,442.97 : x
  2. Step 2: Convert to fraction form
    653,321.05/899,497.52 = 557,442.97/x
  3. Step 3: Cross multiply
    653,321.05x = 899,497.52 × 557,442.97
  4. Step 4: Simplify right side
    653,321.05x = 501,418,569,056.43
  5. Step 5: Solve for x
    x = 501,418,569,056.43/653,321.05
  6. Step 6: Final answer
    x = 767,491.83

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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.