Home / 698,595.20-1,047,892.80-432,874.70

Finding the Fourth Proportional to 698,595.20, 1,047,892.80 and 432,874.70

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Solution

The fourth proportional to 698,595.20, 1,047,892.80 and 432,874.70 is: 649,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,595.20 : 1,047,892.80 = 432,874.70 : x
  2. Step 2: Convert to fraction form
    698,595.20/1,047,892.80 = 432,874.70/x
  3. Step 3: Cross multiply
    698,595.20x = 1,047,892.80 × 432,874.70
  4. Step 4: Simplify right side
    698,595.20x = 453,606,281,432.16
  5. Step 5: Solve for x
    x = 453,606,281,432.16/698,595.20
  6. Step 6: Final answer
    x = 649,312.05

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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.