Home / 875,116.20-1,312,674.30-514,917.30

Finding the Fourth Proportional to 875,116.20, 1,312,674.30 and 514,917.30

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Solution

The fourth proportional to 875,116.20, 1,312,674.30 and 514,917.30 is: 772,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,116.20 : 1,312,674.30 = 514,917.30 : x
  2. Step 2: Convert to fraction form
    875,116.20/1,312,674.30 = 514,917.30/x
  3. Step 3: Cross multiply
    875,116.20x = 1,312,674.30 × 514,917.30
  4. Step 4: Simplify right side
    875,116.20x = 675,918,706,335.39
  5. Step 5: Solve for x
    x = 675,918,706,335.39/875,116.20
  6. Step 6: Final answer
    x = 772,375.95

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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.