Home / 926,047.38-1,389,124.84-357,431.70

Finding the Fourth Proportional to 926,047.38, 1,389,124.84 and 357,431.70

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Solution

The fourth proportional to 926,047.38, 1,389,124.84 and 357,431.70 is: 536,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,047.38 : 1,389,124.84 = 357,431.70 : x
  2. Step 2: Convert to fraction form
    926,047.38/1,389,124.84 = 357,431.70/x
  3. Step 3: Cross multiply
    926,047.38x = 1,389,124.84 × 357,431.70
  4. Step 4: Simplify right side
    926,047.38x = 496,517,253,073.43
  5. Step 5: Solve for x
    x = 496,517,253,073.43/926,047.38
  6. Step 6: Final answer
    x = 536,168.30

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1.5x scale

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.