Home / 627,831.68-935,833.13-577,443.20

Finding the Fourth Proportional to 627,831.68, 935,833.13 and 577,443.20

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Solution

The fourth proportional to 627,831.68, 935,833.13 and 577,443.20 is: 860,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,831.68 : 935,833.13 = 577,443.20 : x
  2. Step 2: Convert to fraction form
    627,831.68/935,833.13 = 577,443.20/x
  3. Step 3: Cross multiply
    627,831.68x = 935,833.13 × 577,443.20
  4. Step 4: Simplify right side
    627,831.68x = 540,390,477,253.22
  5. Step 5: Solve for x
    x = 540,390,477,253.22/627,831.68
  6. Step 6: Final answer
    x = 860,725.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.