Home / 1,272,654.28-1,756,217.72-699,690.28

Finding the Fourth Proportional to 1,272,654.28, 1,756,217.72 and 699,690.28

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Solution

The fourth proportional to 1,272,654.28, 1,756,217.72 and 699,690.28 is: 965,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,654.28 : 1,756,217.72 = 699,690.28 : x
  2. Step 2: Convert to fraction form
    1,272,654.28/1,756,217.72 = 699,690.28/x
  3. Step 3: Cross multiply
    1,272,654.28x = 1,756,217.72 × 699,690.28
  4. Step 4: Simplify right side
    1,272,654.28x = 1,228,808,468,247.76
  5. Step 5: Solve for x
    x = 1,228,808,468,247.76/1,272,654.28
  6. Step 6: Final answer
    x = 965,547.74

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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.