Home / 1,172,778.08-1,618,421.37-656,536.22

Finding the Fourth Proportional to 1,172,778.08, 1,618,421.37 and 656,536.22

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Solution

The fourth proportional to 1,172,778.08, 1,618,421.37 and 656,536.22 is: 906,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,778.08 : 1,618,421.37 = 656,536.22 : x
  2. Step 2: Convert to fraction form
    1,172,778.08/1,618,421.37 = 656,536.22/x
  3. Step 3: Cross multiply
    1,172,778.08x = 1,618,421.37 × 656,536.22
  4. Step 4: Simplify right side
    1,172,778.08x = 1,062,552,248,627.02
  5. Step 5: Solve for x
    x = 1,062,552,248,627.02/1,172,778.08
  6. Step 6: Final answer
    x = 906,013.05

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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.