Home / 403,340.42-556,601.01-222,045.41

Finding the Fourth Proportional to 403,340.42, 556,601.01 and 222,045.41

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Solution

The fourth proportional to 403,340.42, 556,601.01 and 222,045.41 is: 306,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,340.42 : 556,601.01 = 222,045.41 : x
  2. Step 2: Convert to fraction form
    403,340.42/556,601.01 = 222,045.41/x
  3. Step 3: Cross multiply
    403,340.42x = 556,601.01 × 222,045.41
  4. Step 4: Simplify right side
    403,340.42x = 123,590,699,471.86
  5. Step 5: Solve for x
    x = 123,590,699,471.86/403,340.42
  6. Step 6: Final answer
    x = 306,417.84

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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.