Home / 677,587.60-1,015,026.32-407,566.61

Finding the Fourth Proportional to 677,587.60, 1,015,026.32 and 407,566.61

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Solution

The fourth proportional to 677,587.60, 1,015,026.32 and 407,566.61 is: 610,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,587.60 : 1,015,026.32 = 407,566.61 : x
  2. Step 2: Convert to fraction form
    677,587.60/1,015,026.32 = 407,566.61/x
  3. Step 3: Cross multiply
    677,587.60x = 1,015,026.32 × 407,566.61
  4. Step 4: Simplify right side
    677,587.60x = 413,690,829,190.21
  5. Step 5: Solve for x
    x = 413,690,829,190.21/677,587.60
  6. Step 6: Final answer
    x = 610,534.83

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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.