Home / 1,314,800.10-1,972,200.15-516,107.70

Finding the Fourth Proportional to 1,314,800.10, 1,972,200.15 and 516,107.70

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Solution

The fourth proportional to 1,314,800.10, 1,972,200.15 and 516,107.70 is: 774,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,800.10 : 1,972,200.15 = 516,107.70 : x
  2. Step 2: Convert to fraction form
    1,314,800.10/1,972,200.15 = 516,107.70/x
  3. Step 3: Cross multiply
    1,314,800.10x = 1,972,200.15 × 516,107.70
  4. Step 4: Simplify right side
    1,314,800.10x = 1,017,867,683,356.16
  5. Step 5: Solve for x
    x = 1,017,867,683,356.16/1,314,800.10
  6. Step 6: Final answer
    x = 774,161.55

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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.