Home / 938,801.48-1,295,554.14-509,081.63

Finding the Fourth Proportional to 938,801.48, 1,295,554.14 and 509,081.63

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Solution

The fourth proportional to 938,801.48, 1,295,554.14 and 509,081.63 is: 702,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,801.48 : 1,295,554.14 = 509,081.63 : x
  2. Step 2: Convert to fraction form
    938,801.48/1,295,554.14 = 509,081.63/x
  3. Step 3: Cross multiply
    938,801.48x = 1,295,554.14 × 509,081.63
  4. Step 4: Simplify right side
    938,801.48x = 659,542,806,866.68
  5. Step 5: Solve for x
    x = 659,542,806,866.68/938,801.48
  6. Step 6: Final answer
    x = 702,537.04

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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.