Home / 532,326.12-734,621.16-290,618.88

Finding the Fourth Proportional to 532,326.12, 734,621.16 and 290,618.88

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Solution

The fourth proportional to 532,326.12, 734,621.16 and 290,618.88 is: 401,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,326.12 : 734,621.16 = 290,618.88 : x
  2. Step 2: Convert to fraction form
    532,326.12/734,621.16 = 290,618.88/x
  3. Step 3: Cross multiply
    532,326.12x = 734,621.16 × 290,618.88
  4. Step 4: Simplify right side
    532,326.12x = 213,494,778,743.50
  5. Step 5: Solve for x
    x = 213,494,778,743.50/532,326.12
  6. Step 6: Final answer
    x = 401,060.12

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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.