Home / 850,162.92-1,173,278.19-468,189.69

Finding the Fourth Proportional to 850,162.92, 1,173,278.19 and 468,189.69

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Solution

The fourth proportional to 850,162.92, 1,173,278.19 and 468,189.69 is: 646,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,162.92 : 1,173,278.19 = 468,189.69 : x
  2. Step 2: Convert to fraction form
    850,162.92/1,173,278.19 = 468,189.69/x
  3. Step 3: Cross multiply
    850,162.92x = 1,173,278.19 × 468,189.69
  4. Step 4: Simplify right side
    850,162.92x = 549,316,752,059.86
  5. Step 5: Solve for x
    x = 549,316,752,059.86/850,162.92
  6. Step 6: Final answer
    x = 646,131.16

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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.