Home / 1,270,417.38-1,753,178.94-697,494.42

Finding the Fourth Proportional to 1,270,417.38, 1,753,178.94 and 697,494.42

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Solution

The fourth proportional to 1,270,417.38, 1,753,178.94 and 697,494.42 is: 962,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,417.38 : 1,753,178.94 = 697,494.42 : x
  2. Step 2: Convert to fraction form
    1,270,417.38/1,753,178.94 = 697,494.42/x
  3. Step 3: Cross multiply
    1,270,417.38x = 1,753,178.94 × 697,494.42
  4. Step 4: Simplify right side
    1,270,417.38x = 1,222,832,527,911.51
  5. Step 5: Solve for x
    x = 1,222,832,527,911.51/1,270,417.38
  6. Step 6: Final answer
    x = 962,543.92

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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.