Home / 1,198,656.29-1,654,178.06-715,501.69

Finding the Fourth Proportional to 1,198,656.29, 1,654,178.06 and 715,501.69

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Solution

The fourth proportional to 1,198,656.29, 1,654,178.06 and 715,501.69 is: 987,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,656.29 : 1,654,178.06 = 715,501.69 : x
  2. Step 2: Convert to fraction form
    1,198,656.29/1,654,178.06 = 715,501.69/x
  3. Step 3: Cross multiply
    1,198,656.29x = 1,654,178.06 × 715,501.69
  4. Step 4: Simplify right side
    1,198,656.29x = 1,183,567,195,144.23
  5. Step 5: Solve for x
    x = 1,183,567,195,144.23/1,198,656.29
  6. Step 6: Final answer
    x = 987,411.66

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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.