Home / 934,859.20-1,400,215.20-723,812.80

Finding the Fourth Proportional to 934,859.20, 1,400,215.20 and 723,812.80

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Solution

The fourth proportional to 934,859.20, 1,400,215.20 and 723,812.80 is: 1,084,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,859.20 : 1,400,215.20 = 723,812.80 : x
  2. Step 2: Convert to fraction form
    934,859.20/1,400,215.20 = 723,812.80/x
  3. Step 3: Cross multiply
    934,859.20x = 1,400,215.20 × 723,812.80
  4. Step 4: Simplify right side
    934,859.20x = 1,013,493,684,514.56
  5. Step 5: Solve for x
    x = 1,013,493,684,514.56/934,859.20
  6. Step 6: Final answer
    x = 1,084,113.72

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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.