Home / 949,107.02-1,309,767.70-519,387.16

Finding the Fourth Proportional to 949,107.02, 1,309,767.70 and 519,387.16

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Solution

The fourth proportional to 949,107.02, 1,309,767.70 and 519,387.16 is: 716,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,107.02 : 1,309,767.70 = 519,387.16 : x
  2. Step 2: Convert to fraction form
    949,107.02/1,309,767.70 = 519,387.16/x
  3. Step 3: Cross multiply
    949,107.02x = 1,309,767.70 × 519,387.16
  4. Step 4: Simplify right side
    949,107.02x = 680,276,525,962.73
  5. Step 5: Solve for x
    x = 680,276,525,962.73/949,107.02
  6. Step 6: Final answer
    x = 716,754.29

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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.