Home / 403,005.57-556,152.33-230,920.13

Finding the Fourth Proportional to 403,005.57, 556,152.33 and 230,920.13

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Solution

The fourth proportional to 403,005.57, 556,152.33 and 230,920.13 is: 318,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,005.57 : 556,152.33 = 230,920.13 : x
  2. Step 2: Convert to fraction form
    403,005.57/556,152.33 = 230,920.13/x
  3. Step 3: Cross multiply
    403,005.57x = 556,152.33 × 230,920.13
  4. Step 4: Simplify right side
    403,005.57x = 128,426,765,562.64
  5. Step 5: Solve for x
    x = 128,426,765,562.64/403,005.57
  6. Step 6: Final answer
    x = 318,672.43

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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.