Home / 653,747.64-900,086.22-557,869.56

Finding the Fourth Proportional to 653,747.64, 900,086.22 and 557,869.56

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Solution

The fourth proportional to 653,747.64, 900,086.22 and 557,869.56 is: 768,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,747.64 : 900,086.22 = 557,869.56 : x
  2. Step 2: Convert to fraction form
    653,747.64/900,086.22 = 557,869.56/x
  3. Step 3: Cross multiply
    653,747.64x = 900,086.22 × 557,869.56
  4. Step 4: Simplify right side
    653,747.64x = 502,130,703,513.46
  5. Step 5: Solve for x
    x = 502,130,703,513.46/653,747.64
  6. Step 6: Final answer
    x = 768,080.33

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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.