Home / 734,811.40-1,102,217.10-545,854.60

Finding the Fourth Proportional to 734,811.40, 1,102,217.10 and 545,854.60

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Solution

The fourth proportional to 734,811.40, 1,102,217.10 and 545,854.60 is: 818,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,811.40 : 1,102,217.10 = 545,854.60 : x
  2. Step 2: Convert to fraction form
    734,811.40/1,102,217.10 = 545,854.60/x
  3. Step 3: Cross multiply
    734,811.40x = 1,102,217.10 × 545,854.60
  4. Step 4: Simplify right side
    734,811.40x = 601,650,274,233.66
  5. Step 5: Solve for x
    x = 601,650,274,233.66/734,811.40
  6. Step 6: Final answer
    x = 818,781.90

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Double scale
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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.