Home / 926,987.49-1,279,137.02-519,032.61

Finding the Fourth Proportional to 926,987.49, 1,279,137.02 and 519,032.61

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Solution

The fourth proportional to 926,987.49, 1,279,137.02 and 519,032.61 is: 716,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,987.49 : 1,279,137.02 = 519,032.61 : x
  2. Step 2: Convert to fraction form
    926,987.49/1,279,137.02 = 519,032.61/x
  3. Step 3: Cross multiply
    926,987.49x = 1,279,137.02 × 519,032.61
  4. Step 4: Simplify right side
    926,987.49x = 663,913,823,443.06
  5. Step 5: Solve for x
    x = 663,913,823,443.06/926,987.49
  6. Step 6: Final answer
    x = 716,205.81

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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.