Home / 434,586.15-651,779.55-119,067.66

Finding the Fourth Proportional to 434,586.15, 651,779.55 and 119,067.66

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Solution

The fourth proportional to 434,586.15, 651,779.55 and 119,067.66 is: 178,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,586.15 : 651,779.55 = 119,067.66 : x
  2. Step 2: Convert to fraction form
    434,586.15/651,779.55 = 119,067.66/x
  3. Step 3: Cross multiply
    434,586.15x = 651,779.55 × 119,067.66
  4. Step 4: Simplify right side
    434,586.15x = 77,605,865,854.35
  5. Step 5: Solve for x
    x = 77,605,865,854.35/434,586.15
  6. Step 6: Final answer
    x = 178,574.18

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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.