Home / 641,584.45-963,622.24-472,436.74

Finding the Fourth Proportional to 641,584.45, 963,622.24 and 472,436.74

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Solution

The fourth proportional to 641,584.45, 963,622.24 and 472,436.74 is: 709,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,584.45 : 963,622.24 = 472,436.74 : x
  2. Step 2: Convert to fraction form
    641,584.45/963,622.24 = 472,436.74/x
  3. Step 3: Cross multiply
    641,584.45x = 963,622.24 × 472,436.74
  4. Step 4: Simplify right side
    641,584.45x = 455,250,549,657.10
  5. Step 5: Solve for x
    x = 455,250,549,657.10/641,584.45
  6. Step 6: Final answer
    x = 709,572.29

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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.