Home / 898,133.70-1,347,200.55-815,189.70

Finding the Fourth Proportional to 898,133.70, 1,347,200.55 and 815,189.70

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Solution

The fourth proportional to 898,133.70, 1,347,200.55 and 815,189.70 is: 1,222,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,133.70 : 1,347,200.55 = 815,189.70 : x
  2. Step 2: Convert to fraction form
    898,133.70/1,347,200.55 = 815,189.70/x
  3. Step 3: Cross multiply
    898,133.70x = 1,347,200.55 × 815,189.70
  4. Step 4: Simplify right side
    898,133.70x = 1,098,224,012,194.34
  5. Step 5: Solve for x
    x = 1,098,224,012,194.34/898,133.70
  6. Step 6: Final answer
    x = 1,222,784.55

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Similar ratio
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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.