Home / 939,239.65-1,296,151.07-531,332.87

Finding the Fourth Proportional to 939,239.65, 1,296,151.07 and 531,332.87

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Solution

The fourth proportional to 939,239.65, 1,296,151.07 and 531,332.87 is: 733,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,239.65 : 1,296,151.07 = 531,332.87 : x
  2. Step 2: Convert to fraction form
    939,239.65/1,296,151.07 = 531,332.87/x
  3. Step 3: Cross multiply
    939,239.65x = 1,296,151.07 × 531,332.87
  4. Step 4: Simplify right side
    939,239.65x = 688,687,658,839.25
  5. Step 5: Solve for x
    x = 688,687,658,839.25/939,239.65
  6. Step 6: Final answer
    x = 733,239.55

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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.