Home / 977,115.70-1,465,673.55-809,154.10

Finding the Fourth Proportional to 977,115.70, 1,465,673.55 and 809,154.10

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Solution

The fourth proportional to 977,115.70, 1,465,673.55 and 809,154.10 is: 1,213,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,115.70 : 1,465,673.55 = 809,154.10 : x
  2. Step 2: Convert to fraction form
    977,115.70/1,465,673.55 = 809,154.10/x
  3. Step 3: Cross multiply
    977,115.70x = 1,465,673.55 × 809,154.10
  4. Step 4: Simplify right side
    977,115.70x = 1,185,955,762,244.06
  5. Step 5: Solve for x
    x = 1,185,955,762,244.06/977,115.70
  6. Step 6: Final answer
    x = 1,213,731.15

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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.