Home / 437,557.60-656,336.40-410,985.55

Finding the Fourth Proportional to 437,557.60, 656,336.40 and 410,985.55

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Solution

The fourth proportional to 437,557.60, 656,336.40 and 410,985.55 is: 616,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,557.60 : 656,336.40 = 410,985.55 : x
  2. Step 2: Convert to fraction form
    437,557.60/656,336.40 = 410,985.55/x
  3. Step 3: Cross multiply
    437,557.60x = 656,336.40 × 410,985.55
  4. Step 4: Simplify right side
    437,557.60x = 269,744,776,339.02
  5. Step 5: Solve for x
    x = 269,744,776,339.02/437,557.60
  6. Step 6: Final answer
    x = 616,478.33

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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.