Home / 845,339.98-1,166,613.88-463,382.86

Finding the Fourth Proportional to 845,339.98, 1,166,613.88 and 463,382.86

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Solution

The fourth proportional to 845,339.98, 1,166,613.88 and 463,382.86 is: 639,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,339.98 : 1,166,613.88 = 463,382.86 : x
  2. Step 2: Convert to fraction form
    845,339.98/1,166,613.88 = 463,382.86/x
  3. Step 3: Cross multiply
    845,339.98x = 1,166,613.88 × 463,382.86
  4. Step 4: Simplify right side
    845,339.98x = 540,588,876,230.10
  5. Step 5: Solve for x
    x = 540,588,876,230.10/845,339.98
  6. Step 6: Final answer
    x = 639,492.85

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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.