Home / 914,590.80-1,373,441.40-678,200.40

Finding the Fourth Proportional to 914,590.80, 1,373,441.40 and 678,200.40

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Solution

The fourth proportional to 914,590.80, 1,373,441.40 and 678,200.40 is: 1,018,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,590.80 : 1,373,441.40 = 678,200.40 : x
  2. Step 2: Convert to fraction form
    914,590.80/1,373,441.40 = 678,200.40/x
  3. Step 3: Cross multiply
    914,590.80x = 1,373,441.40 × 678,200.40
  4. Step 4: Simplify right side
    914,590.80x = 931,468,506,856.56
  5. Step 5: Solve for x
    x = 931,468,506,856.56/914,590.80
  6. Step 6: Final answer
    x = 1,018,453.83

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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.