Home / 714,836.43-986,652.78-442,741.23

Finding the Fourth Proportional to 714,836.43, 986,652.78 and 442,741.23

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Solution

The fourth proportional to 714,836.43, 986,652.78 and 442,741.23 is: 611,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,836.43 : 986,652.78 = 442,741.23 : x
  2. Step 2: Convert to fraction form
    714,836.43/986,652.78 = 442,741.23/x
  3. Step 3: Cross multiply
    714,836.43x = 986,652.78 × 442,741.23
  4. Step 4: Simplify right side
    714,836.43x = 436,831,865,400.12
  5. Step 5: Solve for x
    x = 436,831,865,400.12/714,836.43
  6. Step 6: Final answer
    x = 611,093.46

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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.