Home / 532,457.92-734,789.07-290,740.66

Finding the Fourth Proportional to 532,457.92, 734,789.07 and 290,740.66

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Solution

The fourth proportional to 532,457.92, 734,789.07 and 290,740.66 is: 401,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,457.92 : 734,789.07 = 290,740.66 : x
  2. Step 2: Convert to fraction form
    532,457.92/734,789.07 = 290,740.66/x
  3. Step 3: Cross multiply
    532,457.92x = 734,789.07 × 290,740.66
  4. Step 4: Simplify right side
    532,457.92x = 213,633,057,335.61
  5. Step 5: Solve for x
    x = 213,633,057,335.61/532,457.92
  6. Step 6: Final answer
    x = 401,220.54

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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.