Home / 808,514.60-1,213,355.10-453,151.40

Finding the Fourth Proportional to 808,514.60, 1,213,355.10 and 453,151.40

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Solution

The fourth proportional to 808,514.60, 1,213,355.10 and 453,151.40 is: 680,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,514.60 : 1,213,355.10 = 453,151.40 : x
  2. Step 2: Convert to fraction form
    808,514.60/1,213,355.10 = 453,151.40/x
  3. Step 3: Cross multiply
    808,514.60x = 1,213,355.10 × 453,151.40
  4. Step 4: Simplify right side
    808,514.60x = 549,833,562,262.14
  5. Step 5: Solve for x
    x = 549,833,562,262.14/808,514.60
  6. Step 6: Final answer
    x = 680,053.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.