Home / 881,177.27-1,216,020.39-499,203.14

Finding the Fourth Proportional to 881,177.27, 1,216,020.39 and 499,203.14

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Solution

The fourth proportional to 881,177.27, 1,216,020.39 and 499,203.14 is: 688,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,177.27 : 1,216,020.39 = 499,203.14 : x
  2. Step 2: Convert to fraction form
    881,177.27/1,216,020.39 = 499,203.14/x
  3. Step 3: Cross multiply
    881,177.27x = 1,216,020.39 × 499,203.14
  4. Step 4: Simplify right side
    881,177.27x = 607,041,190,911.92
  5. Step 5: Solve for x
    x = 607,041,190,911.92/881,177.27
  6. Step 6: Final answer
    x = 688,897.93

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1.5x scale

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.