Home / 1,121,067.95-1,547,124.17-631,206.13

Finding the Fourth Proportional to 1,121,067.95, 1,547,124.17 and 631,206.13

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Solution

The fourth proportional to 1,121,067.95, 1,547,124.17 and 631,206.13 is: 871,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,067.95 : 1,547,124.17 = 631,206.13 : x
  2. Step 2: Convert to fraction form
    1,121,067.95/1,547,124.17 = 631,206.13/x
  3. Step 3: Cross multiply
    1,121,067.95x = 1,547,124.17 × 631,206.13
  4. Step 4: Simplify right side
    1,121,067.95x = 976,554,258,360.59
  5. Step 5: Solve for x
    x = 976,554,258,360.59/1,121,067.95
  6. Step 6: Final answer
    x = 871,092.84

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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.