Home / 927,850.72-1,280,369.29-514,383.40

Finding the Fourth Proportional to 927,850.72, 1,280,369.29 and 514,383.40

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Solution

The fourth proportional to 927,850.72, 1,280,369.29 and 514,383.40 is: 709,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,850.72 : 1,280,369.29 = 514,383.40 : x
  2. Step 2: Convert to fraction form
    927,850.72/1,280,369.29 = 514,383.40/x
  3. Step 3: Cross multiply
    927,850.72x = 1,280,369.29 × 514,383.40
  4. Step 4: Simplify right side
    927,850.72x = 658,600,708,645.79
  5. Step 5: Solve for x
    x = 658,600,708,645.79/927,850.72
  6. Step 6: Final answer
    x = 709,813.22

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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.