Home / 403,007.83-556,230.27-231,041.23

Finding the Fourth Proportional to 403,007.83, 556,230.27 and 231,041.23

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Solution

The fourth proportional to 403,007.83, 556,230.27 and 231,041.23 is: 318,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,007.83 : 556,230.27 = 231,041.23 : x
  2. Step 2: Convert to fraction form
    403,007.83/556,230.27 = 231,041.23/x
  3. Step 3: Cross multiply
    403,007.83x = 556,230.27 × 231,041.23
  4. Step 4: Simplify right side
    403,007.83x = 128,512,125,744.03
  5. Step 5: Solve for x
    x = 128,512,125,744.03/403,007.83
  6. Step 6: Final answer
    x = 318,882.45

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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.