Home / 842,471.55-1,263,707.33-527,543.55

Finding the Fourth Proportional to 842,471.55, 1,263,707.33 and 527,543.55

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Solution

The fourth proportional to 842,471.55, 1,263,707.33 and 527,543.55 is: 791,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,471.55 : 1,263,707.33 = 527,543.55 : x
  2. Step 2: Convert to fraction form
    842,471.55/1,263,707.33 = 527,543.55/x
  3. Step 3: Cross multiply
    842,471.55x = 1,263,707.33 × 527,543.55
  4. Step 4: Simplify right side
    842,471.55x = 666,660,648,391.50
  5. Step 5: Solve for x
    x = 666,660,648,391.50/842,471.55
  6. Step 6: Final answer
    x = 791,315.33

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Double scale
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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.