Home / 919,599.39-1,269,222.78-608,954.43

Finding the Fourth Proportional to 919,599.39, 1,269,222.78 and 608,954.43

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Solution

The fourth proportional to 919,599.39, 1,269,222.78 and 608,954.43 is: 840,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,599.39 : 1,269,222.78 = 608,954.43 : x
  2. Step 2: Convert to fraction form
    919,599.39/1,269,222.78 = 608,954.43/x
  3. Step 3: Cross multiply
    919,599.39x = 1,269,222.78 × 608,954.43
  4. Step 4: Simplify right side
    919,599.39x = 772,898,841,581.08
  5. Step 5: Solve for x
    x = 772,898,841,581.08/919,599.39
  6. Step 6: Final answer
    x = 840,473.42

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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.