Home / 638,296.32-957,237.12-301,290.24

Finding the Fourth Proportional to 638,296.32, 957,237.12 and 301,290.24

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Solution

The fourth proportional to 638,296.32, 957,237.12 and 301,290.24 is: 451,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,296.32 : 957,237.12 = 301,290.24 : x
  2. Step 2: Convert to fraction form
    638,296.32/957,237.12 = 301,290.24/x
  3. Step 3: Cross multiply
    638,296.32x = 957,237.12 × 301,290.24
  4. Step 4: Simplify right side
    638,296.32x = 288,406,201,621.71
  5. Step 5: Solve for x
    x = 288,406,201,621.71/638,296.32
  6. Step 6: Final answer
    x = 451,837.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.