Home / 403,315.32-556,578.90-222,030.84

Finding the Fourth Proportional to 403,315.32, 556,578.90 and 222,030.84

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Solution

The fourth proportional to 403,315.32, 556,578.90 and 222,030.84 is: 306,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,315.32 : 556,578.90 = 222,030.84 : x
  2. Step 2: Convert to fraction form
    403,315.32/556,578.90 = 222,030.84/x
  3. Step 3: Cross multiply
    403,315.32x = 556,578.90 × 222,030.84
  4. Step 4: Simplify right side
    403,315.32x = 123,577,680,693.28
  5. Step 5: Solve for x
    x = 123,577,680,693.28/403,315.32
  6. Step 6: Final answer
    x = 306,404.63

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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.