Home / 1,191,482.38-1,644,239.52-647,621.10

Finding the Fourth Proportional to 1,191,482.38, 1,644,239.52 and 647,621.10

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Solution

The fourth proportional to 1,191,482.38, 1,644,239.52 and 647,621.10 is: 893,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,482.38 : 1,644,239.52 = 647,621.10 : x
  2. Step 2: Convert to fraction form
    1,191,482.38/1,644,239.52 = 647,621.10/x
  3. Step 3: Cross multiply
    1,191,482.38x = 1,644,239.52 × 647,621.10
  4. Step 4: Simplify right side
    1,191,482.38x = 1,064,844,214,777.05
  5. Step 5: Solve for x
    x = 1,064,844,214,777.05/1,191,482.38
  6. Step 6: Final answer
    x = 893,713.77

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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.