Home / 949,076.95-1,309,726.29-519,357.10

Finding the Fourth Proportional to 949,076.95, 1,309,726.29 and 519,357.10

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Solution

The fourth proportional to 949,076.95, 1,309,726.29 and 519,357.10 is: 716,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,076.95 : 1,309,726.29 = 519,357.10 : x
  2. Step 2: Convert to fraction form
    949,076.95/1,309,726.29 = 519,357.10/x
  3. Step 3: Cross multiply
    949,076.95x = 1,309,726.29 × 519,357.10
  4. Step 4: Simplify right side
    949,076.95x = 680,215,641,219.53
  5. Step 5: Solve for x
    x = 680,215,641,219.53/949,076.95
  6. Step 6: Final answer
    x = 716,712.85

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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.