Home / 691,260.59-953,721.06-545,606.39

Finding the Fourth Proportional to 691,260.59, 953,721.06 and 545,606.39

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Solution

The fourth proportional to 691,260.59, 953,721.06 and 545,606.39 is: 752,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,260.59 : 953,721.06 = 545,606.39 : x
  2. Step 2: Convert to fraction form
    691,260.59/953,721.06 = 545,606.39/x
  3. Step 3: Cross multiply
    691,260.59x = 953,721.06 × 545,606.39
  4. Step 4: Simplify right side
    691,260.59x = 520,356,304,613.57
  5. Step 5: Solve for x
    x = 520,356,304,613.57/691,260.59
  6. Step 6: Final answer
    x = 752,764.32

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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.