Home / 859,815.92-1,186,520.23-492,280.85

Finding the Fourth Proportional to 859,815.92, 1,186,520.23 and 492,280.85

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Solution

The fourth proportional to 859,815.92, 1,186,520.23 and 492,280.85 is: 679,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,815.92 : 1,186,520.23 = 492,280.85 : x
  2. Step 2: Convert to fraction form
    859,815.92/1,186,520.23 = 492,280.85/x
  3. Step 3: Cross multiply
    859,815.92x = 1,186,520.23 × 492,280.85
  4. Step 4: Simplify right side
    859,815.92x = 584,101,190,948.25
  5. Step 5: Solve for x
    x = 584,101,190,948.25/859,815.92
  6. Step 6: Final answer
    x = 679,332.84

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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.