Home / 851,560.02-1,275,894.06-513,891.16

Finding the Fourth Proportional to 851,560.02, 1,275,894.06 and 513,891.16

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Solution

The fourth proportional to 851,560.02, 1,275,894.06 and 513,891.16 is: 769,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,560.02 : 1,275,894.06 = 513,891.16 : x
  2. Step 2: Convert to fraction form
    851,560.02/1,275,894.06 = 513,891.16/x
  3. Step 3: Cross multiply
    851,560.02x = 1,275,894.06 × 513,891.16
  4. Step 4: Simplify right side
    851,560.02x = 655,670,678,530.51
  5. Step 5: Solve for x
    x = 655,670,678,530.51/851,560.02
  6. Step 6: Final answer
    x = 769,964.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.