Home / 782,223.16-1,079,468.40-424,527.16

Finding the Fourth Proportional to 782,223.16, 1,079,468.40 and 424,527.16

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Solution

The fourth proportional to 782,223.16, 1,079,468.40 and 424,527.16 is: 585,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,223.16 : 1,079,468.40 = 424,527.16 : x
  2. Step 2: Convert to fraction form
    782,223.16/1,079,468.40 = 424,527.16/x
  3. Step 3: Cross multiply
    782,223.16x = 1,079,468.40 × 424,527.16
  4. Step 4: Simplify right side
    782,223.16x = 458,263,654,161.74
  5. Step 5: Solve for x
    x = 458,263,654,161.74/782,223.16
  6. Step 6: Final answer
    x = 585,847.72

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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.