Home / 1,114,959.60-1,538,586.90-605,660.76

Finding the Fourth Proportional to 1,114,959.60, 1,538,586.90 and 605,660.76

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Solution

The fourth proportional to 1,114,959.60, 1,538,586.90 and 605,660.76 is: 835,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,959.60 : 1,538,586.90 = 605,660.76 : x
  2. Step 2: Convert to fraction form
    1,114,959.60/1,538,586.90 = 605,660.76/x
  3. Step 3: Cross multiply
    1,114,959.60x = 1,538,586.90 × 605,660.76
  4. Step 4: Simplify right side
    1,114,959.60x = 931,861,711,180.04
  5. Step 5: Solve for x
    x = 931,861,711,180.04/1,114,959.60
  6. Step 6: Final answer
    x = 835,780.70

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Double scale
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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.