Home / 1,231,983.59-1,700,119.25-688,127.31

Finding the Fourth Proportional to 1,231,983.59, 1,700,119.25 and 688,127.31

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Solution

The fourth proportional to 1,231,983.59, 1,700,119.25 and 688,127.31 is: 949,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,983.59 : 1,700,119.25 = 688,127.31 : x
  2. Step 2: Convert to fraction form
    1,231,983.59/1,700,119.25 = 688,127.31/x
  3. Step 3: Cross multiply
    1,231,983.59x = 1,700,119.25 × 688,127.31
  4. Step 4: Simplify right side
    1,231,983.59x = 1,169,898,482,741.08
  5. Step 5: Solve for x
    x = 1,169,898,482,741.08/1,231,983.59
  6. Step 6: Final answer
    x = 949,605.58

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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.