Home / 627,187.40-940,089.90-346,905.80

Finding the Fourth Proportional to 627,187.40, 940,089.90 and 346,905.80

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Solution

The fourth proportional to 627,187.40, 940,089.90 and 346,905.80 is: 519,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,187.40 : 940,089.90 = 346,905.80 : x
  2. Step 2: Convert to fraction form
    627,187.40/940,089.90 = 346,905.80/x
  3. Step 3: Cross multiply
    627,187.40x = 940,089.90 × 346,905.80
  4. Step 4: Simplify right side
    627,187.40x = 326,122,638,831.42
  5. Step 5: Solve for x
    x = 326,122,638,831.42/627,187.40
  6. Step 6: Final answer
    x = 519,976.39

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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.