Home / 679,082.39-935,947.46-497,408.30

Finding the Fourth Proportional to 679,082.39, 935,947.46 and 497,408.30

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Solution

The fourth proportional to 679,082.39, 935,947.46 and 497,408.30 is: 685,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,082.39 : 935,947.46 = 497,408.30 : x
  2. Step 2: Convert to fraction form
    679,082.39/935,947.46 = 497,408.30/x
  3. Step 3: Cross multiply
    679,082.39x = 935,947.46 × 497,408.30
  4. Step 4: Simplify right side
    679,082.39x = 465,548,031,531.70
  5. Step 5: Solve for x
    x = 465,548,031,531.70/679,082.39
  6. Step 6: Final answer
    x = 685,554.57

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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.