Home / 1,871,369.70-2,582,488.29-1,011,927.78

Finding the Fourth Proportional to 1,871,369.70, 2,582,488.29 and 1,011,927.78

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Solution

The fourth proportional to 1,871,369.70, 2,582,488.29 and 1,011,927.78 is: 1,396,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,369.70 : 2,582,488.29 = 1,011,927.78 : x
  2. Step 2: Convert to fraction form
    1,871,369.70/2,582,488.29 = 1,011,927.78/x
  3. Step 3: Cross multiply
    1,871,369.70x = 2,582,488.29 × 1,011,927.78
  4. Step 4: Simplify right side
    1,871,369.70x = 2,613,291,642,175.70
  5. Step 5: Solve for x
    x = 2,613,291,642,175.70/1,871,369.70
  6. Step 6: Final answer
    x = 1,396,459.31

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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.