Home / 808,400.10-1,212,600.15-556,457.70

Finding the Fourth Proportional to 808,400.10, 1,212,600.15 and 556,457.70

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Solution

The fourth proportional to 808,400.10, 1,212,600.15 and 556,457.70 is: 834,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,400.10 : 1,212,600.15 = 556,457.70 : x
  2. Step 2: Convert to fraction form
    808,400.10/1,212,600.15 = 556,457.70/x
  3. Step 3: Cross multiply
    808,400.10x = 1,212,600.15 × 556,457.70
  4. Step 4: Simplify right side
    808,400.10x = 674,760,690,488.66
  5. Step 5: Solve for x
    x = 674,760,690,488.66/808,400.10
  6. Step 6: Final answer
    x = 834,686.55

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Similar ratio
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1.5x scale

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.