Home / 923,543.20-1,386,351.60-714,109.60

Finding the Fourth Proportional to 923,543.20, 1,386,351.60 and 714,109.60

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Solution

The fourth proportional to 923,543.20, 1,386,351.60 and 714,109.60 is: 1,071,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,543.20 : 1,386,351.60 = 714,109.60 : x
  2. Step 2: Convert to fraction form
    923,543.20/1,386,351.60 = 714,109.60/x
  3. Step 3: Cross multiply
    923,543.20x = 1,386,351.60 × 714,109.60
  4. Step 4: Simplify right side
    923,543.20x = 990,006,986,535.36
  5. Step 5: Solve for x
    x = 990,006,986,535.36/923,543.20
  6. Step 6: Final answer
    x = 1,071,966.08

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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.