Home / 1,144,155.19-1,578,934.16-634,939.51

Finding the Fourth Proportional to 1,144,155.19, 1,578,934.16 and 634,939.51

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Solution

The fourth proportional to 1,144,155.19, 1,578,934.16 and 634,939.51 is: 876,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,155.19 : 1,578,934.16 = 634,939.51 : x
  2. Step 2: Convert to fraction form
    1,144,155.19/1,578,934.16 = 634,939.51/x
  3. Step 3: Cross multiply
    1,144,155.19x = 1,578,934.16 × 634,939.51
  4. Step 4: Simplify right side
    1,144,155.19x = 1,002,527,679,512.68
  5. Step 5: Solve for x
    x = 1,002,527,679,512.68/1,144,155.19
  6. Step 6: Final answer
    x = 876,216.52

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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.