Home / 932,140.55-1,397,983.61-258,204.35

Finding the Fourth Proportional to 932,140.55, 1,397,983.61 and 258,204.35

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Solution

The fourth proportional to 932,140.55, 1,397,983.61 and 258,204.35 is: 387,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,140.55 : 1,397,983.61 = 258,204.35 : x
  2. Step 2: Convert to fraction form
    932,140.55/1,397,983.61 = 258,204.35/x
  3. Step 3: Cross multiply
    932,140.55x = 1,397,983.61 × 258,204.35
  4. Step 4: Simplify right side
    932,140.55x = 360,965,442,986.30
  5. Step 5: Solve for x
    x = 360,965,442,986.30/932,140.55
  6. Step 6: Final answer
    x = 387,243.58

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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.