Home / 563,458.20-845,113.32-279,038.04

Finding the Fourth Proportional to 563,458.20, 845,113.32 and 279,038.04

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Solution

The fourth proportional to 563,458.20, 845,113.32 and 279,038.04 is: 418,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,458.20 : 845,113.32 = 279,038.04 : x
  2. Step 2: Convert to fraction form
    563,458.20/845,113.32 = 279,038.04/x
  3. Step 3: Cross multiply
    563,458.20x = 845,113.32 × 279,038.04
  4. Step 4: Simplify right side
    563,458.20x = 235,818,764,390.69
  5. Step 5: Solve for x
    x = 235,818,764,390.69/563,458.20
  6. Step 6: Final answer
    x = 418,520.42

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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.