Home / 727,140.24-1,001,228.04-725,040.72

Finding the Fourth Proportional to 727,140.24, 1,001,228.04 and 725,040.72

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Solution

The fourth proportional to 727,140.24, 1,001,228.04 and 725,040.72 is: 998,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,140.24 : 1,001,228.04 = 725,040.72 : x
  2. Step 2: Convert to fraction form
    727,140.24/1,001,228.04 = 725,040.72/x
  3. Step 3: Cross multiply
    727,140.24x = 1,001,228.04 × 725,040.72
  4. Step 4: Simplify right side
    727,140.24x = 725,931,099,005.79
  5. Step 5: Solve for x
    x = 725,931,099,005.79/727,140.24
  6. Step 6: Final answer
    x = 998,337.13

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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.