Home / 403,547.85-556,889.18-222,276.74

Finding the Fourth Proportional to 403,547.85, 556,889.18 and 222,276.74

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Solution

The fourth proportional to 403,547.85, 556,889.18 and 222,276.74 is: 306,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,547.85 : 556,889.18 = 222,276.74 : x
  2. Step 2: Convert to fraction form
    403,547.85/556,889.18 = 222,276.74/x
  3. Step 3: Cross multiply
    403,547.85x = 556,889.18 × 222,276.74
  4. Step 4: Simplify right side
    403,547.85x = 123,783,507,575.84
  5. Step 5: Solve for x
    x = 123,783,507,575.84/403,547.85
  6. Step 6: Final answer
    x = 306,738.12

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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.