Home / 928,971.57-1,393,459.53-255,062.10

Finding the Fourth Proportional to 928,971.57, 1,393,459.53 and 255,062.10

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Solution

The fourth proportional to 928,971.57, 1,393,459.53 and 255,062.10 is: 382,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,971.57 : 1,393,459.53 = 255,062.10 : x
  2. Step 2: Convert to fraction form
    928,971.57/1,393,459.53 = 255,062.10/x
  3. Step 3: Cross multiply
    928,971.57x = 1,393,459.53 × 255,062.10
  4. Step 4: Simplify right side
    928,971.57x = 355,418,713,986.81
  5. Step 5: Solve for x
    x = 355,418,713,986.81/928,971.57
  6. Step 6: Final answer
    x = 382,593.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.