Home / 1,000,173.28-1,500,882-729,827.68

Finding the Fourth Proportional to 1,000,173.28, 1,500,882 and 729,827.68

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Solution

The fourth proportional to 1,000,173.28, 1,500,882 and 729,827.68 is: 1,095,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,173.28 : 1,500,882 = 729,827.68 : x
  2. Step 2: Convert to fraction form
    1,000,173.28/1,500,882 = 729,827.68/x
  3. Step 3: Cross multiply
    1,000,173.28x = 1,500,882 × 729,827.68
  4. Step 4: Simplify right side
    1,000,173.28x = 1,095,385,228,013.76
  5. Step 5: Solve for x
    x = 1,095,385,228,013.76/1,000,173.28
  6. Step 6: Final answer
    x = 1,095,195.45

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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.