Home / 839,327.20-1,255,918.80-618,143.20

Finding the Fourth Proportional to 839,327.20, 1,255,918.80 and 618,143.20

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Solution

The fourth proportional to 839,327.20, 1,255,918.80 and 618,143.20 is: 924,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,327.20 : 1,255,918.80 = 618,143.20 : x
  2. Step 2: Convert to fraction form
    839,327.20/1,255,918.80 = 618,143.20/x
  3. Step 3: Cross multiply
    839,327.20x = 1,255,918.80 × 618,143.20
  4. Step 4: Simplify right side
    839,327.20x = 776,337,665,972.16
  5. Step 5: Solve for x
    x = 776,337,665,972.16/839,327.20
  6. Step 6: Final answer
    x = 924,952.35

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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.