Home / 729,899.36-1,007,251.03-424,148.52

Finding the Fourth Proportional to 729,899.36, 1,007,251.03 and 424,148.52

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Solution

The fourth proportional to 729,899.36, 1,007,251.03 and 424,148.52 is: 585,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,899.36 : 1,007,251.03 = 424,148.52 : x
  2. Step 2: Convert to fraction form
    729,899.36/1,007,251.03 = 424,148.52/x
  3. Step 3: Cross multiply
    729,899.36x = 1,007,251.03 × 424,148.52
  4. Step 4: Simplify right side
    729,899.36x = 427,224,033,642.98
  5. Step 5: Solve for x
    x = 427,224,033,642.98/729,899.36
  6. Step 6: Final answer
    x = 585,319.10

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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.