Home / 434,587.15-651,781.05-119,068.66

Finding the Fourth Proportional to 434,587.15, 651,781.05 and 119,068.66

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Solution

The fourth proportional to 434,587.15, 651,781.05 and 119,068.66 is: 178,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,587.15 : 651,781.05 = 119,068.66 : x
  2. Step 2: Convert to fraction form
    434,587.15/651,781.05 = 119,068.66/x
  3. Step 3: Cross multiply
    434,587.15x = 651,781.05 × 119,068.66
  4. Step 4: Simplify right side
    434,587.15x = 77,606,696,236.89
  5. Step 5: Solve for x
    x = 77,606,696,236.89/434,587.15
  6. Step 6: Final answer
    x = 178,575.68

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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.