Home / 403,590.04-556,958.10-222,302.74

Finding the Fourth Proportional to 403,590.04, 556,958.10 and 222,302.74

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Solution

The fourth proportional to 403,590.04, 556,958.10 and 222,302.74 is: 306,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,590.04 : 556,958.10 = 222,302.74 : x
  2. Step 2: Convert to fraction form
    403,590.04/556,958.10 = 222,302.74/x
  3. Step 3: Cross multiply
    403,590.04x = 556,958.10 × 222,302.74
  4. Step 4: Simplify right side
    403,590.04x = 123,813,311,695.19
  5. Step 5: Solve for x
    x = 123,813,311,695.19/403,590.04
  6. Step 6: Final answer
    x = 306,779.90

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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.