Home / 911,537.50-1,257,947.16-503,665.60

Finding the Fourth Proportional to 911,537.50, 1,257,947.16 and 503,665.60

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Solution

The fourth proportional to 911,537.50, 1,257,947.16 and 503,665.60 is: 695,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,537.50 : 1,257,947.16 = 503,665.60 : x
  2. Step 2: Convert to fraction form
    911,537.50/1,257,947.16 = 503,665.60/x
  3. Step 3: Cross multiply
    911,537.50x = 1,257,947.16 × 503,665.60
  4. Step 4: Simplify right side
    911,537.50x = 633,584,711,109.70
  5. Step 5: Solve for x
    x = 633,584,711,109.70/911,537.50
  6. Step 6: Final answer
    x = 695,072.57

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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.