Home / 865,234.24-1,194,035.78-478,058.57

Finding the Fourth Proportional to 865,234.24, 1,194,035.78 and 478,058.57

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Solution

The fourth proportional to 865,234.24, 1,194,035.78 and 478,058.57 is: 659,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,234.24 : 1,194,035.78 = 478,058.57 : x
  2. Step 2: Convert to fraction form
    865,234.24/1,194,035.78 = 478,058.57/x
  3. Step 3: Cross multiply
    865,234.24x = 1,194,035.78 × 478,058.57
  4. Step 4: Simplify right side
    865,234.24x = 570,819,029,155.16
  5. Step 5: Solve for x
    x = 570,819,029,155.16/865,234.24
  6. Step 6: Final answer
    x = 659,727.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.