Home / 860,474.87-1,187,462.99-468,011.34

Finding the Fourth Proportional to 860,474.87, 1,187,462.99 and 468,011.34

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Solution

The fourth proportional to 860,474.87, 1,187,462.99 and 468,011.34 is: 645,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,474.87 : 1,187,462.99 = 468,011.34 : x
  2. Step 2: Convert to fraction form
    860,474.87/1,187,462.99 = 468,011.34/x
  3. Step 3: Cross multiply
    860,474.87x = 1,187,462.99 × 468,011.34
  4. Step 4: Simplify right side
    860,474.87x = 555,746,146,320.34
  5. Step 5: Solve for x
    x = 555,746,146,320.34/860,474.87
  6. Step 6: Final answer
    x = 645,859.83

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Double scale
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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.