Home / 540,890.28-811,273.46-141,569.60

Finding the Fourth Proportional to 540,890.28, 811,273.46 and 141,569.60

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Solution

The fourth proportional to 540,890.28, 811,273.46 and 141,569.60 is: 212,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,890.28 : 811,273.46 = 141,569.60 : x
  2. Step 2: Convert to fraction form
    540,890.28/811,273.46 = 141,569.60/x
  3. Step 3: Cross multiply
    540,890.28x = 811,273.46 × 141,569.60
  4. Step 4: Simplify right side
    540,890.28x = 114,851,654,458.60
  5. Step 5: Solve for x
    x = 114,851,654,458.60/540,890.28
  6. Step 6: Final answer
    x = 212,338.17

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1.5x scale

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.