Home / 1,252,155.81-1,727,974.98-708,279.96

Finding the Fourth Proportional to 1,252,155.81, 1,727,974.98 and 708,279.96

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Solution

The fourth proportional to 1,252,155.81, 1,727,974.98 and 708,279.96 is: 977,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,155.81 : 1,727,974.98 = 708,279.96 : x
  2. Step 2: Convert to fraction form
    1,252,155.81/1,727,974.98 = 708,279.96/x
  3. Step 3: Cross multiply
    1,252,155.81x = 1,727,974.98 × 708,279.96
  4. Step 4: Simplify right side
    1,252,155.81x = 1,223,890,049,715.40
  5. Step 5: Solve for x
    x = 1,223,890,049,715.40/1,252,155.81
  6. Step 6: Final answer
    x = 977,426.32

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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.