Home / 938,856.54-1,295,610.54-509,131.46

Finding the Fourth Proportional to 938,856.54, 1,295,610.54 and 509,131.46

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Solution

The fourth proportional to 938,856.54, 1,295,610.54 and 509,131.46 is: 702,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,856.54 : 1,295,610.54 = 509,131.46 : x
  2. Step 2: Convert to fraction form
    938,856.54/1,295,610.54 = 509,131.46/x
  3. Step 3: Cross multiply
    938,856.54x = 1,295,610.54 × 509,131.46
  4. Step 4: Simplify right side
    938,856.54x = 659,636,085,821.59
  5. Step 5: Solve for x
    x = 659,636,085,821.59/938,856.54
  6. Step 6: Final answer
    x = 702,595.19

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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.