Home / 563,851.40-845,921.10-397,963.40

Finding the Fourth Proportional to 563,851.40, 845,921.10 and 397,963.40

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Solution

The fourth proportional to 563,851.40, 845,921.10 and 397,963.40 is: 597,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,851.40 : 845,921.10 = 397,963.40 : x
  2. Step 2: Convert to fraction form
    563,851.40/845,921.10 = 397,963.40/x
  3. Step 3: Cross multiply
    563,851.40x = 845,921.10 × 397,963.40
  4. Step 4: Simplify right side
    563,851.40x = 336,645,637,087.74
  5. Step 5: Solve for x
    x = 336,645,637,087.74/563,851.40
  6. Step 6: Final answer
    x = 597,046.73

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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.