Home / 816,076.81-1,126,114.32-453,477.70

Finding the Fourth Proportional to 816,076.81, 1,126,114.32 and 453,477.70

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Solution

The fourth proportional to 816,076.81, 1,126,114.32 and 453,477.70 is: 625,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,076.81 : 1,126,114.32 = 453,477.70 : x
  2. Step 2: Convert to fraction form
    816,076.81/1,126,114.32 = 453,477.70/x
  3. Step 3: Cross multiply
    816,076.81x = 1,126,114.32 × 453,477.70
  4. Step 4: Simplify right side
    816,076.81x = 510,667,731,770.66
  5. Step 5: Solve for x
    x = 510,667,731,770.66/816,076.81
  6. Step 6: Final answer
    x = 625,759.40

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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.