Home / 816,109.74-1,126,208.95-453,524.38

Finding the Fourth Proportional to 816,109.74, 1,126,208.95 and 453,524.38

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Solution

The fourth proportional to 816,109.74, 1,126,208.95 and 453,524.38 is: 625,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,109.74 : 1,126,208.95 = 453,524.38 : x
  2. Step 2: Convert to fraction form
    816,109.74/1,126,208.95 = 453,524.38/x
  3. Step 3: Cross multiply
    816,109.74x = 1,126,208.95 × 453,524.38
  4. Step 4: Simplify right side
    816,109.74x = 510,763,211,849.87
  5. Step 5: Solve for x
    x = 510,763,211,849.87/816,109.74
  6. Step 6: Final answer
    x = 625,851.14

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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.