Home / 690,443.49-1,031,006.85-564,337.43

Finding the Fourth Proportional to 690,443.49, 1,031,006.85 and 564,337.43

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Solution

The fourth proportional to 690,443.49, 1,031,006.85 and 564,337.43 is: 842,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,443.49 : 1,031,006.85 = 564,337.43 : x
  2. Step 2: Convert to fraction form
    690,443.49/1,031,006.85 = 564,337.43/x
  3. Step 3: Cross multiply
    690,443.49x = 1,031,006.85 × 564,337.43
  4. Step 4: Simplify right side
    690,443.49x = 581,835,757,397.97
  5. Step 5: Solve for x
    x = 581,835,757,397.97/690,443.49
  6. Step 6: Final answer
    x = 842,698.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.