Home / 906,337.52-1,250,391.80-518,945.92

Finding the Fourth Proportional to 906,337.52, 1,250,391.80 and 518,945.92

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Solution

The fourth proportional to 906,337.52, 1,250,391.80 and 518,945.92 is: 715,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,337.52 : 1,250,391.80 = 518,945.92 : x
  2. Step 2: Convert to fraction form
    906,337.52/1,250,391.80 = 518,945.92/x
  3. Step 3: Cross multiply
    906,337.52x = 1,250,391.80 × 518,945.92
  4. Step 4: Simplify right side
    906,337.52x = 648,885,723,011.46
  5. Step 5: Solve for x
    x = 648,885,723,011.46/906,337.52
  6. Step 6: Final answer
    x = 715,942.69

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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.