Home / 859,494.16-1,186,138.85-477,520.95

Finding the Fourth Proportional to 859,494.16, 1,186,138.85 and 477,520.95

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Solution

The fourth proportional to 859,494.16, 1,186,138.85 and 477,520.95 is: 658,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,494.16 : 1,186,138.85 = 477,520.95 : x
  2. Step 2: Convert to fraction form
    859,494.16/1,186,138.85 = 477,520.95/x
  3. Step 3: Cross multiply
    859,494.16x = 1,186,138.85 × 477,520.95
  4. Step 4: Simplify right side
    859,494.16x = 566,406,145,893.87
  5. Step 5: Solve for x
    x = 566,406,145,893.87/859,494.16
  6. Step 6: Final answer
    x = 658,999.41

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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.