Home / 1,274,691.57-1,913,218.53-644,048.25

Finding the Fourth Proportional to 1,274,691.57, 1,913,218.53 and 644,048.25

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Solution

The fourth proportional to 1,274,691.57, 1,913,218.53 and 644,048.25 is: 966,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,691.57 : 1,913,218.53 = 644,048.25 : x
  2. Step 2: Convert to fraction form
    1,274,691.57/1,913,218.53 = 644,048.25/x
  3. Step 3: Cross multiply
    1,274,691.57x = 1,913,218.53 × 644,048.25
  4. Step 4: Simplify right side
    1,274,691.57x = 1,232,205,046,114.07
  5. Step 5: Solve for x
    x = 1,232,205,046,114.07/1,274,691.57
  6. Step 6: Final answer
    x = 966,669.17

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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.