Home / 949,070.32-1,309,717.15-519,350.54

Finding the Fourth Proportional to 949,070.32, 1,309,717.15 and 519,350.54

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Solution

The fourth proportional to 949,070.32, 1,309,717.15 and 519,350.54 is: 716,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,070.32 : 1,309,717.15 = 519,350.54 : x
  2. Step 2: Convert to fraction form
    949,070.32/1,309,717.15 = 519,350.54/x
  3. Step 3: Cross multiply
    949,070.32x = 1,309,717.15 × 519,350.54
  4. Step 4: Simplify right side
    949,070.32x = 680,202,301,252.80
  5. Step 5: Solve for x
    x = 680,202,301,252.80/949,070.32
  6. Step 6: Final answer
    x = 716,703.80

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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.