Home / 727,736.40-1,091,604.60-651,628.80

Finding the Fourth Proportional to 727,736.40, 1,091,604.60 and 651,628.80

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Solution

The fourth proportional to 727,736.40, 1,091,604.60 and 651,628.80 is: 977,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,736.40 : 1,091,604.60 = 651,628.80 : x
  2. Step 2: Convert to fraction form
    727,736.40/1,091,604.60 = 651,628.80/x
  3. Step 3: Cross multiply
    727,736.40x = 1,091,604.60 × 651,628.80
  4. Step 4: Simplify right side
    727,736.40x = 711,320,995,572.48
  5. Step 5: Solve for x
    x = 711,320,995,572.48/727,736.40
  6. Step 6: Final answer
    x = 977,443.20

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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.