Home / 653,738.28-981,436.86-555,864.36

Finding the Fourth Proportional to 653,738.28, 981,436.86 and 555,864.36

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Solution

The fourth proportional to 653,738.28, 981,436.86 and 555,864.36 is: 834,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,738.28 : 981,436.86 = 555,864.36 : x
  2. Step 2: Convert to fraction form
    653,738.28/981,436.86 = 555,864.36/x
  3. Step 3: Cross multiply
    653,738.28x = 981,436.86 × 555,864.36
  4. Step 4: Simplify right side
    653,738.28x = 545,545,772,064.31
  5. Step 5: Solve for x
    x = 545,545,772,064.31/653,738.28
  6. Step 6: Final answer
    x = 834,501.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.