Home / 750,117.60-1,125,176.40-414,194.40

Finding the Fourth Proportional to 750,117.60, 1,125,176.40 and 414,194.40

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Solution

The fourth proportional to 750,117.60, 1,125,176.40 and 414,194.40 is: 621,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,117.60 : 1,125,176.40 = 414,194.40 : x
  2. Step 2: Convert to fraction form
    750,117.60/1,125,176.40 = 414,194.40/x
  3. Step 3: Cross multiply
    750,117.60x = 1,125,176.40 × 414,194.40
  4. Step 4: Simplify right side
    750,117.60x = 466,041,763,892.16
  5. Step 5: Solve for x
    x = 466,041,763,892.16/750,117.60
  6. Step 6: Final answer
    x = 621,291.60

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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.