Home / 654,741.28-903,534.24-368,261.20

Finding the Fourth Proportional to 654,741.28, 903,534.24 and 368,261.20

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Solution

The fourth proportional to 654,741.28, 903,534.24 and 368,261.20 is: 508,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,741.28 : 903,534.24 = 368,261.20 : x
  2. Step 2: Convert to fraction form
    654,741.28/903,534.24 = 368,261.20/x
  3. Step 3: Cross multiply
    654,741.28x = 903,534.24 × 368,261.20
  4. Step 4: Simplify right side
    654,741.28x = 332,736,603,463.49
  5. Step 5: Solve for x
    x = 332,736,603,463.49/654,741.28
  6. Step 6: Final answer
    x = 508,195.55

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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.