Home / 1,232,400.56-1,700,681.38-688,540.43

Finding the Fourth Proportional to 1,232,400.56, 1,700,681.38 and 688,540.43

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Solution

The fourth proportional to 1,232,400.56, 1,700,681.38 and 688,540.43 is: 950,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,400.56 : 1,700,681.38 = 688,540.43 : x
  2. Step 2: Convert to fraction form
    1,232,400.56/1,700,681.38 = 688,540.43/x
  3. Step 3: Cross multiply
    1,232,400.56x = 1,700,681.38 × 688,540.43
  4. Step 4: Simplify right side
    1,232,400.56x = 1,170,987,885,235.49
  5. Step 5: Solve for x
    x = 1,170,987,885,235.49/1,232,400.56
  6. Step 6: Final answer
    x = 950,168.26

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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.