Home / 532,330.55-734,627.28-290,623.31

Finding the Fourth Proportional to 532,330.55, 734,627.28 and 290,623.31

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Solution

The fourth proportional to 532,330.55, 734,627.28 and 290,623.31 is: 401,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,330.55 : 734,627.28 = 290,623.31 : x
  2. Step 2: Convert to fraction form
    532,330.55/734,627.28 = 290,623.31/x
  3. Step 3: Cross multiply
    532,330.55x = 734,627.28 × 290,623.31
  4. Step 4: Simplify right side
    532,330.55x = 213,499,811,729.90
  5. Step 5: Solve for x
    x = 213,499,811,729.90/532,330.55
  6. Step 6: Final answer
    x = 401,066.24

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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.