Home / 859,714.92-1,186,446.96-477,744.84

Finding the Fourth Proportional to 859,714.92, 1,186,446.96 and 477,744.84

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Solution

The fourth proportional to 859,714.92, 1,186,446.96 and 477,744.84 is: 659,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,714.92 : 1,186,446.96 = 477,744.84 : x
  2. Step 2: Convert to fraction form
    859,714.92/1,186,446.96 = 477,744.84/x
  3. Step 3: Cross multiply
    859,714.92x = 1,186,446.96 × 477,744.84
  4. Step 4: Simplify right side
    859,714.92x = 566,818,913,073.69
  5. Step 5: Solve for x
    x = 566,818,913,073.69/859,714.92
  6. Step 6: Final answer
    x = 659,310.31

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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.