Home / 945,877.08-1,305,338.13-516,184.94

Finding the Fourth Proportional to 945,877.08, 1,305,338.13 and 516,184.94

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Solution

The fourth proportional to 945,877.08, 1,305,338.13 and 516,184.94 is: 712,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,877.08 : 1,305,338.13 = 516,184.94 : x
  2. Step 2: Convert to fraction form
    945,877.08/1,305,338.13 = 516,184.94/x
  3. Step 3: Cross multiply
    945,877.08x = 1,305,338.13 × 516,184.94
  4. Step 4: Simplify right side
    945,877.08x = 673,795,877,787.07
  5. Step 5: Solve for x
    x = 673,795,877,787.07/945,877.08
  6. Step 6: Final answer
    x = 712,350.36

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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.