Home / 563,850.40-845,919.60-397,962.40

Finding the Fourth Proportional to 563,850.40, 845,919.60 and 397,962.40

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Solution

The fourth proportional to 563,850.40, 845,919.60 and 397,962.40 is: 597,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,850.40 : 845,919.60 = 397,962.40 : x
  2. Step 2: Convert to fraction form
    563,850.40/845,919.60 = 397,962.40/x
  3. Step 3: Cross multiply
    563,850.40x = 845,919.60 × 397,962.40
  4. Step 4: Simplify right side
    563,850.40x = 336,644,194,223.04
  5. Step 5: Solve for x
    x = 336,644,194,223.04/563,850.40
  6. Step 6: Final answer
    x = 597,045.23

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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.