Home / 1,013,462.77-1,398,578.56-554,577.39

Finding the Fourth Proportional to 1,013,462.77, 1,398,578.56 and 554,577.39

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Solution

The fourth proportional to 1,013,462.77, 1,398,578.56 and 554,577.39 is: 765,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,462.77 : 1,398,578.56 = 554,577.39 : x
  2. Step 2: Convert to fraction form
    1,013,462.77/1,398,578.56 = 554,577.39/x
  3. Step 3: Cross multiply
    1,013,462.77x = 1,398,578.56 × 554,577.39
  4. Step 4: Simplify right side
    1,013,462.77x = 775,620,047,514.76
  5. Step 5: Solve for x
    x = 775,620,047,514.76/1,013,462.77
  6. Step 6: Final answer
    x = 765,316.76

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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.