Home / 866,461.20-1,299,497.40-569,029.20

Finding the Fourth Proportional to 866,461.20, 1,299,497.40 and 569,029.20

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Solution

The fourth proportional to 866,461.20, 1,299,497.40 and 569,029.20 is: 853,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,461.20 : 1,299,497.40 = 569,029.20 : x
  2. Step 2: Convert to fraction form
    866,461.20/1,299,497.40 = 569,029.20/x
  3. Step 3: Cross multiply
    866,461.20x = 1,299,497.40 × 569,029.20
  4. Step 4: Simplify right side
    866,461.20x = 739,451,965,924.08
  5. Step 5: Solve for x
    x = 739,451,965,924.08/866,461.20
  6. Step 6: Final answer
    x = 853,416.13

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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.