Home / 479,731.61-662,068.46-275,848.79

Finding the Fourth Proportional to 479,731.61, 662,068.46 and 275,848.79

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Solution

The fourth proportional to 479,731.61, 662,068.46 and 275,848.79 is: 380,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,731.61 : 662,068.46 = 275,848.79 : x
  2. Step 2: Convert to fraction form
    479,731.61/662,068.46 = 275,848.79/x
  3. Step 3: Cross multiply
    479,731.61x = 662,068.46 × 275,848.79
  4. Step 4: Simplify right side
    479,731.61x = 182,630,781,820.93
  5. Step 5: Solve for x
    x = 182,630,781,820.93/479,731.61
  6. Step 6: Final answer
    x = 380,693.66

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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.