Home / 691,024.82-953,572.28-380,913.80

Finding the Fourth Proportional to 691,024.82, 953,572.28 and 380,913.80

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Solution

The fourth proportional to 691,024.82, 953,572.28 and 380,913.80 is: 525,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,024.82 : 953,572.28 = 380,913.80 : x
  2. Step 2: Convert to fraction form
    691,024.82/953,572.28 = 380,913.80/x
  3. Step 3: Cross multiply
    691,024.82x = 953,572.28 × 380,913.80
  4. Step 4: Simplify right side
    691,024.82x = 363,228,834,077.03
  5. Step 5: Solve for x
    x = 363,228,834,077.03/691,024.82
  6. Step 6: Final answer
    x = 525,637.90

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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.