Home / 403,048.10-556,285.92-231,081.60

Finding the Fourth Proportional to 403,048.10, 556,285.92 and 231,081.60

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Solution

The fourth proportional to 403,048.10, 556,285.92 and 231,081.60 is: 318,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,048.10 : 556,285.92 = 231,081.60 : x
  2. Step 2: Convert to fraction form
    403,048.10/556,285.92 = 231,081.60/x
  3. Step 3: Cross multiply
    403,048.10x = 556,285.92 × 231,081.60
  4. Step 4: Simplify right side
    403,048.10x = 128,547,440,451.07
  5. Step 5: Solve for x
    x = 128,547,440,451.07/403,048.10
  6. Step 6: Final answer
    x = 318,938.21

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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.