Home / 727,243.89-1,089,378.67-592,787.13

Finding the Fourth Proportional to 727,243.89, 1,089,378.67 and 592,787.13

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Solution

The fourth proportional to 727,243.89, 1,089,378.67 and 592,787.13 is: 887,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,243.89 : 1,089,378.67 = 592,787.13 : x
  2. Step 2: Convert to fraction form
    727,243.89/1,089,378.67 = 592,787.13/x
  3. Step 3: Cross multiply
    727,243.89x = 1,089,378.67 × 592,787.13
  4. Step 4: Simplify right side
    727,243.89x = 645,769,655,272.52
  5. Step 5: Solve for x
    x = 645,769,655,272.52/727,243.89
  6. Step 6: Final answer
    x = 887,968.49

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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.