Home / 550,031.24-759,074.18-308,392.04

Finding the Fourth Proportional to 550,031.24, 759,074.18 and 308,392.04

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Solution

The fourth proportional to 550,031.24, 759,074.18 and 308,392.04 is: 425,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,031.24 : 759,074.18 = 308,392.04 : x
  2. Step 2: Convert to fraction form
    550,031.24/759,074.18 = 308,392.04/x
  3. Step 3: Cross multiply
    550,031.24x = 759,074.18 × 308,392.04
  4. Step 4: Simplify right side
    550,031.24x = 234,092,434,881.53
  5. Step 5: Solve for x
    x = 234,092,434,881.53/550,031.24
  6. Step 6: Final answer
    x = 425,598.43

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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.