Home / 809,237.31-1,116,580.77-465,006.74

Finding the Fourth Proportional to 809,237.31, 1,116,580.77 and 465,006.74

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Solution

The fourth proportional to 809,237.31, 1,116,580.77 and 465,006.74 is: 641,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,237.31 : 1,116,580.77 = 465,006.74 : x
  2. Step 2: Convert to fraction form
    809,237.31/1,116,580.77 = 465,006.74/x
  3. Step 3: Cross multiply
    809,237.31x = 1,116,580.77 × 465,006.74
  4. Step 4: Simplify right side
    809,237.31x = 519,217,578,221.49
  5. Step 5: Solve for x
    x = 519,217,578,221.49/809,237.31
  6. Step 6: Final answer
    x = 641,613.49

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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.