Home / 1,591,332.76-2,386,975.76-393,255.05

Finding the Fourth Proportional to 1,591,332.76, 2,386,975.76 and 393,255.05

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Solution

The fourth proportional to 1,591,332.76, 2,386,975.76 and 393,255.05 is: 589,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,332.76 : 2,386,975.76 = 393,255.05 : x
  2. Step 2: Convert to fraction form
    1,591,332.76/2,386,975.76 = 393,255.05/x
  3. Step 3: Cross multiply
    1,591,332.76x = 2,386,975.76 × 393,255.05
  4. Step 4: Simplify right side
    1,591,332.76x = 938,690,260,895.85
  5. Step 5: Solve for x
    x = 938,690,260,895.85/1,591,332.76
  6. Step 6: Final answer
    x = 589,876.79

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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.