Home / 939,770.10-1,409,655.15-656,334.90

Finding the Fourth Proportional to 939,770.10, 1,409,655.15 and 656,334.90

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Solution

The fourth proportional to 939,770.10, 1,409,655.15 and 656,334.90 is: 984,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,770.10 : 1,409,655.15 = 656,334.90 : x
  2. Step 2: Convert to fraction form
    939,770.10/1,409,655.15 = 656,334.90/x
  3. Step 3: Cross multiply
    939,770.10x = 1,409,655.15 × 656,334.90
  4. Step 4: Simplify right side
    939,770.10x = 925,205,871,909.74
  5. Step 5: Solve for x
    x = 925,205,871,909.74/939,770.10
  6. Step 6: Final answer
    x = 984,502.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.