Home / 710,554.20-1,065,831.30-615,168.60

Finding the Fourth Proportional to 710,554.20, 1,065,831.30 and 615,168.60

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Solution

The fourth proportional to 710,554.20, 1,065,831.30 and 615,168.60 is: 922,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,554.20 : 1,065,831.30 = 615,168.60 : x
  2. Step 2: Convert to fraction form
    710,554.20/1,065,831.30 = 615,168.60/x
  3. Step 3: Cross multiply
    710,554.20x = 1,065,831.30 × 615,168.60
  4. Step 4: Simplify right side
    710,554.20x = 655,665,948,657.18
  5. Step 5: Solve for x
    x = 655,665,948,657.18/710,554.20
  6. Step 6: Final answer
    x = 922,752.90

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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.