Home / 1,186,484.62-1,779,713.56-287,936.23

Finding the Fourth Proportional to 1,186,484.62, 1,779,713.56 and 287,936.23

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Solution

The fourth proportional to 1,186,484.62, 1,779,713.56 and 287,936.23 is: 431,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,484.62 : 1,779,713.56 = 287,936.23 : x
  2. Step 2: Convert to fraction form
    1,186,484.62/1,779,713.56 = 287,936.23/x
  3. Step 3: Cross multiply
    1,186,484.62x = 1,779,713.56 × 287,936.23
  4. Step 4: Simplify right side
    1,186,484.62x = 512,444,012,946.28
  5. Step 5: Solve for x
    x = 512,444,012,946.28/1,186,484.62
  6. Step 6: Final answer
    x = 431,901.10

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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.