Home / 825,547.49-1,238,616.20-501,993.87

Finding the Fourth Proportional to 825,547.49, 1,238,616.20 and 501,993.87

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Solution

The fourth proportional to 825,547.49, 1,238,616.20 and 501,993.87 is: 753,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,547.49 : 1,238,616.20 = 501,993.87 : x
  2. Step 2: Convert to fraction form
    825,547.49/1,238,616.20 = 501,993.87/x
  3. Step 3: Cross multiply
    825,547.49x = 1,238,616.20 × 501,993.87
  4. Step 4: Simplify right side
    825,547.49x = 621,777,739,682.69
  5. Step 5: Solve for x
    x = 621,777,739,682.69/825,547.49
  6. Step 6: Final answer
    x = 753,170.17

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1.5x scale

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.