Home / 766,240.12-1,056,306.67-536,084.35

Finding the Fourth Proportional to 766,240.12, 1,056,306.67 and 536,084.35

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Solution

The fourth proportional to 766,240.12, 1,056,306.67 and 536,084.35 is: 739,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,240.12 : 1,056,306.67 = 536,084.35 : x
  2. Step 2: Convert to fraction form
    766,240.12/1,056,306.67 = 536,084.35/x
  3. Step 3: Cross multiply
    766,240.12x = 1,056,306.67 × 536,084.35
  4. Step 4: Simplify right side
    766,240.12x = 566,269,474,587.61
  5. Step 5: Solve for x
    x = 566,269,474,587.61/766,240.12
  6. Step 6: Final answer
    x = 739,023.53

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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.