Home / 532,435.19-734,790.33-290,740.20

Finding the Fourth Proportional to 532,435.19, 734,790.33 and 290,740.20

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Solution

The fourth proportional to 532,435.19, 734,790.33 and 290,740.20 is: 401,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,435.19 : 734,790.33 = 290,740.20 : x
  2. Step 2: Convert to fraction form
    532,435.19/734,790.33 = 290,740.20/x
  3. Step 3: Cross multiply
    532,435.19x = 734,790.33 × 290,740.20
  4. Step 4: Simplify right side
    532,435.19x = 213,633,087,502.27
  5. Step 5: Solve for x
    x = 213,633,087,502.27/532,435.19
  6. Step 6: Final answer
    x = 401,237.73

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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.