Home / 752,275.95-1,128,596.22-432,632.40

Finding the Fourth Proportional to 752,275.95, 1,128,596.22 and 432,632.40

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Solution

The fourth proportional to 752,275.95, 1,128,596.22 and 432,632.40 is: 649,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,275.95 : 1,128,596.22 = 432,632.40 : x
  2. Step 2: Convert to fraction form
    752,275.95/1,128,596.22 = 432,632.40/x
  3. Step 3: Cross multiply
    752,275.95x = 1,128,596.22 × 432,632.40
  4. Step 4: Simplify right side
    752,275.95x = 488,267,291,289.53
  5. Step 5: Solve for x
    x = 488,267,291,289.53/752,275.95
  6. Step 6: Final answer
    x = 649,053.44

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Double scale
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Similar ratio
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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.