Home / 826,363.35-1,140,437.91-458,859.47

Finding the Fourth Proportional to 826,363.35, 1,140,437.91 and 458,859.47

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Solution

The fourth proportional to 826,363.35, 1,140,437.91 and 458,859.47 is: 633,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,363.35 : 1,140,437.91 = 458,859.47 : x
  2. Step 2: Convert to fraction form
    826,363.35/1,140,437.91 = 458,859.47/x
  3. Step 3: Cross multiply
    826,363.35x = 1,140,437.91 × 458,859.47
  4. Step 4: Simplify right side
    826,363.35x = 523,300,734,950.51
  5. Step 5: Solve for x
    x = 523,300,734,950.51/826,363.35
  6. Step 6: Final answer
    x = 633,257.43

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1.5x scale

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.