Home / 1,186,595.76-1,777,820.04-988,192.56

Finding the Fourth Proportional to 1,186,595.76, 1,777,820.04 and 988,192.56

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Solution

The fourth proportional to 1,186,595.76, 1,777,820.04 and 988,192.56 is: 1,480,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,595.76 : 1,777,820.04 = 988,192.56 : x
  2. Step 2: Convert to fraction form
    1,186,595.76/1,777,820.04 = 988,192.56/x
  3. Step 3: Cross multiply
    1,186,595.76x = 1,777,820.04 × 988,192.56
  4. Step 4: Simplify right side
    1,186,595.76x = 1,756,828,536,546.90
  5. Step 5: Solve for x
    x = 1,756,828,536,546.90/1,186,595.76
  6. Step 6: Final answer
    x = 1,480,561.95

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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.