Home / 1,168,678.72-1,754,012.80-459,202.88

Finding the Fourth Proportional to 1,168,678.72, 1,754,012.80 and 459,202.88

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Solution

The fourth proportional to 1,168,678.72, 1,754,012.80 and 459,202.88 is: 689,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,678.72 : 1,754,012.80 = 459,202.88 : x
  2. Step 2: Convert to fraction form
    1,168,678.72/1,754,012.80 = 459,202.88/x
  3. Step 3: Cross multiply
    1,168,678.72x = 1,754,012.80 × 459,202.88
  4. Step 4: Simplify right side
    1,168,678.72x = 805,447,729,316.86
  5. Step 5: Solve for x
    x = 805,447,729,316.86/1,168,678.72
  6. Step 6: Final answer
    x = 689,195.17

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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.