Home / 856,179.92-1,181,547.35-488,649.66

Finding the Fourth Proportional to 856,179.92, 1,181,547.35 and 488,649.66

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Solution

The fourth proportional to 856,179.92, 1,181,547.35 and 488,649.66 is: 674,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,179.92 : 1,181,547.35 = 488,649.66 : x
  2. Step 2: Convert to fraction form
    856,179.92/1,181,547.35 = 488,649.66/x
  3. Step 3: Cross multiply
    856,179.92x = 1,181,547.35 × 488,649.66
  4. Step 4: Simplify right side
    856,179.92x = 577,362,708,408.15
  5. Step 5: Solve for x
    x = 577,362,708,408.15/856,179.92
  6. Step 6: Final answer
    x = 674,347.41

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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.