Home / 711,976.60-1,068,703.20-476,961.58

Finding the Fourth Proportional to 711,976.60, 1,068,703.20 and 476,961.58

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Solution

The fourth proportional to 711,976.60, 1,068,703.20 and 476,961.58 is: 715,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,976.60 : 1,068,703.20 = 476,961.58 : x
  2. Step 2: Convert to fraction form
    711,976.60/1,068,703.20 = 476,961.58/x
  3. Step 3: Cross multiply
    711,976.60x = 1,068,703.20 × 476,961.58
  4. Step 4: Simplify right side
    711,976.60x = 509,730,366,823.06
  5. Step 5: Solve for x
    x = 509,730,366,823.06/711,976.60
  6. Step 6: Final answer
    x = 715,936.97

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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.