Home / 1,172,363.28-1,757,363.40-462,116.40

Finding the Fourth Proportional to 1,172,363.28, 1,757,363.40 and 462,116.40

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Solution

The fourth proportional to 1,172,363.28, 1,757,363.40 and 462,116.40 is: 692,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,363.28 : 1,757,363.40 = 462,116.40 : x
  2. Step 2: Convert to fraction form
    1,172,363.28/1,757,363.40 = 462,116.40/x
  3. Step 3: Cross multiply
    1,172,363.28x = 1,757,363.40 × 462,116.40
  4. Step 4: Simplify right side
    1,172,363.28x = 812,106,447,899.76
  5. Step 5: Solve for x
    x = 812,106,447,899.76/1,172,363.28
  6. Step 6: Final answer
    x = 692,708.87

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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.