Home / 403,423.08-556,701.57-222,127.80

Finding the Fourth Proportional to 403,423.08, 556,701.57 and 222,127.80

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Solution

The fourth proportional to 403,423.08, 556,701.57 and 222,127.80 is: 306,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,423.08 : 556,701.57 = 222,127.80 : x
  2. Step 2: Convert to fraction form
    403,423.08/556,701.57 = 222,127.80/x
  3. Step 3: Cross multiply
    403,423.08x = 556,701.57 × 222,127.80
  4. Step 4: Simplify right side
    403,423.08x = 123,658,895,000.65
  5. Step 5: Solve for x
    x = 123,658,895,000.65/403,423.08
  6. Step 6: Final answer
    x = 306,524.10

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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.