Home / 418,255.02-577,344.24-257,325.84

Finding the Fourth Proportional to 418,255.02, 577,344.24 and 257,325.84

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Solution

The fourth proportional to 418,255.02, 577,344.24 and 257,325.84 is: 355,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,255.02 : 577,344.24 = 257,325.84 : x
  2. Step 2: Convert to fraction form
    418,255.02/577,344.24 = 257,325.84/x
  3. Step 3: Cross multiply
    418,255.02x = 577,344.24 × 257,325.84
  4. Step 4: Simplify right side
    418,255.02x = 148,565,591,527.16
  5. Step 5: Solve for x
    x = 148,565,591,527.16/418,255.02
  6. Step 6: Final answer
    x = 355,203.37

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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.