Home / 1,154,857.20-1,593,713.34-638,646.11

Finding the Fourth Proportional to 1,154,857.20, 1,593,713.34 and 638,646.11

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Solution

The fourth proportional to 1,154,857.20, 1,593,713.34 and 638,646.11 is: 881,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,857.20 : 1,593,713.34 = 638,646.11 : x
  2. Step 2: Convert to fraction form
    1,154,857.20/1,593,713.34 = 638,646.11/x
  3. Step 3: Cross multiply
    1,154,857.20x = 1,593,713.34 × 638,646.11
  4. Step 4: Simplify right side
    1,154,857.20x = 1,017,818,818,118.44
  5. Step 5: Solve for x
    x = 1,017,818,818,118.44/1,154,857.20
  6. Step 6: Final answer
    x = 881,337.38

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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.