Home / 949,077.06-1,309,726.47-519,357.28

Finding the Fourth Proportional to 949,077.06, 1,309,726.47 and 519,357.28

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Solution

The fourth proportional to 949,077.06, 1,309,726.47 and 519,357.28 is: 716,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,077.06 : 1,309,726.47 = 519,357.28 : x
  2. Step 2: Convert to fraction form
    949,077.06/1,309,726.47 = 519,357.28/x
  3. Step 3: Cross multiply
    949,077.06x = 1,309,726.47 × 519,357.28
  4. Step 4: Simplify right side
    949,077.06x = 680,215,977,003.20
  5. Step 5: Solve for x
    x = 680,215,977,003.20/949,077.06
  6. Step 6: Final answer
    x = 716,713.12

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1.5x scale

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.