Home / 951,148.89-1,312,585.35-521,432.06

Finding the Fourth Proportional to 951,148.89, 1,312,585.35 and 521,432.06

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Solution

The fourth proportional to 951,148.89, 1,312,585.35 and 521,432.06 is: 719,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,148.89 : 1,312,585.35 = 521,432.06 : x
  2. Step 2: Convert to fraction form
    951,148.89/1,312,585.35 = 521,432.06/x
  3. Step 3: Cross multiply
    951,148.89x = 1,312,585.35 × 521,432.06
  4. Step 4: Simplify right side
    951,148.89x = 684,424,076,413.39
  5. Step 5: Solve for x
    x = 684,424,076,413.39/951,148.89
  6. Step 6: Final answer
    x = 719,576.17

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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.