Home / 949,077.95-1,309,727.67-519,358.16

Finding the Fourth Proportional to 949,077.95, 1,309,727.67 and 519,358.16

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Solution

The fourth proportional to 949,077.95, 1,309,727.67 and 519,358.16 is: 716,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,077.95 : 1,309,727.67 = 519,358.16 : x
  2. Step 2: Convert to fraction form
    949,077.95/1,309,727.67 = 519,358.16/x
  3. Step 3: Cross multiply
    949,077.95x = 1,309,727.67 × 519,358.16
  4. Step 4: Simplify right side
    949,077.95x = 680,217,752,792.29
  5. Step 5: Solve for x
    x = 680,217,752,792.29/949,077.95
  6. Step 6: Final answer
    x = 716,714.31

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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.