Home / 938,914.56-1,295,693.28-509,204.16

Finding the Fourth Proportional to 938,914.56, 1,295,693.28 and 509,204.16

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Solution

The fourth proportional to 938,914.56, 1,295,693.28 and 509,204.16 is: 702,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,914.56 : 1,295,693.28 = 509,204.16 : x
  2. Step 2: Convert to fraction form
    938,914.56/1,295,693.28 = 509,204.16/x
  3. Step 3: Cross multiply
    938,914.56x = 1,295,693.28 × 509,204.16
  4. Step 4: Simplify right side
    938,914.56x = 659,772,408,260.05
  5. Step 5: Solve for x
    x = 659,772,408,260.05/938,914.56
  6. Step 6: Final answer
    x = 702,696.96

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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.