Home / 1,198,756.55-1,654,316.51-715,602.12

Finding the Fourth Proportional to 1,198,756.55, 1,654,316.51 and 715,602.12

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Solution

The fourth proportional to 1,198,756.55, 1,654,316.51 and 715,602.12 is: 987,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,756.55 : 1,654,316.51 = 715,602.12 : x
  2. Step 2: Convert to fraction form
    1,198,756.55/1,654,316.51 = 715,602.12/x
  3. Step 3: Cross multiply
    1,198,756.55x = 1,654,316.51 × 715,602.12
  4. Step 4: Simplify right side
    1,198,756.55x = 1,183,832,400,603.33
  5. Step 5: Solve for x
    x = 1,183,832,400,603.33/1,198,756.55
  6. Step 6: Final answer
    x = 987,550.31

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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.