Home / 990,279.32-1,366,375.25-582,232.24

Finding the Fourth Proportional to 990,279.32, 1,366,375.25 and 582,232.24

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Solution

The fourth proportional to 990,279.32, 1,366,375.25 and 582,232.24 is: 803,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,279.32 : 1,366,375.25 = 582,232.24 : x
  2. Step 2: Convert to fraction form
    990,279.32/1,366,375.25 = 582,232.24/x
  3. Step 3: Cross multiply
    990,279.32x = 1,366,375.25 × 582,232.24
  4. Step 4: Simplify right side
    990,279.32x = 795,547,712,745.02
  5. Step 5: Solve for x
    x = 795,547,712,745.02/990,279.32
  6. Step 6: Final answer
    x = 803,356.89

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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.