Home / 1,008,331.38-1,391,479.34-549,449.18

Finding the Fourth Proportional to 1,008,331.38, 1,391,479.34 and 549,449.18

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Solution

The fourth proportional to 1,008,331.38, 1,391,479.34 and 549,449.18 is: 758,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,331.38 : 1,391,479.34 = 549,449.18 : x
  2. Step 2: Convert to fraction form
    1,008,331.38/1,391,479.34 = 549,449.18/x
  3. Step 3: Cross multiply
    1,008,331.38x = 1,391,479.34 × 549,449.18
  4. Step 4: Simplify right side
    1,008,331.38x = 764,547,182,349.94
  5. Step 5: Solve for x
    x = 764,547,182,349.94/1,008,331.38
  6. Step 6: Final answer
    x = 758,230.08

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Double scale
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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.