Home / 939,999.60-1,297,365.12-532,124.64

Finding the Fourth Proportional to 939,999.60, 1,297,365.12 and 532,124.64

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Solution

The fourth proportional to 939,999.60, 1,297,365.12 and 532,124.64 is: 734,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,999.60 : 1,297,365.12 = 532,124.64 : x
  2. Step 2: Convert to fraction form
    939,999.60/1,297,365.12 = 532,124.64/x
  3. Step 3: Cross multiply
    939,999.60x = 1,297,365.12 × 532,124.64
  4. Step 4: Simplify right side
    939,999.60x = 690,359,947,428.56
  5. Step 5: Solve for x
    x = 690,359,947,428.56/939,999.60
  6. Step 6: Final answer
    x = 734,425.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.