Home / 1,154,855.68-1,593,711.15-638,644.50

Finding the Fourth Proportional to 1,154,855.68, 1,593,711.15 and 638,644.50

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Solution

The fourth proportional to 1,154,855.68, 1,593,711.15 and 638,644.50 is: 881,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,855.68 : 1,593,711.15 = 638,644.50 : x
  2. Step 2: Convert to fraction form
    1,154,855.68/1,593,711.15 = 638,644.50/x
  3. Step 3: Cross multiply
    1,154,855.68x = 1,593,711.15 × 638,644.50
  4. Step 4: Simplify right side
    1,154,855.68x = 1,017,814,858,141.26
  5. Step 5: Solve for x
    x = 1,017,814,858,141.26/1,154,855.68
  6. Step 6: Final answer
    x = 881,335.11

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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.