Home / 579,565.19-868,734.21-194,947.90

Finding the Fourth Proportional to 579,565.19, 868,734.21 and 194,947.90

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Solution

The fourth proportional to 579,565.19, 868,734.21 and 194,947.90 is: 292,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,565.19 : 868,734.21 = 194,947.90 : x
  2. Step 2: Convert to fraction form
    579,565.19/868,734.21 = 194,947.90/x
  3. Step 3: Cross multiply
    579,565.19x = 868,734.21 × 194,947.90
  4. Step 4: Simplify right side
    579,565.19x = 169,357,911,714.63
  5. Step 5: Solve for x
    x = 169,357,911,714.63/579,565.19
  6. Step 6: Final answer
    x = 292,215.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.