Home / 939,337.20-1,407,851.10-433,195.56

Finding the Fourth Proportional to 939,337.20, 1,407,851.10 and 433,195.56

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Solution

The fourth proportional to 939,337.20, 1,407,851.10 and 433,195.56 is: 649,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,337.20 : 1,407,851.10 = 433,195.56 : x
  2. Step 2: Convert to fraction form
    939,337.20/1,407,851.10 = 433,195.56/x
  3. Step 3: Cross multiply
    939,337.20x = 1,407,851.10 × 433,195.56
  4. Step 4: Simplify right side
    939,337.20x = 609,874,845,661.12
  5. Step 5: Solve for x
    x = 609,874,845,661.12/939,337.20
  6. Step 6: Final answer
    x = 649,260.83

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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.