Home / 943,105.82-1,301,486.06-513,389.07

Finding the Fourth Proportional to 943,105.82, 1,301,486.06 and 513,389.07

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Solution

The fourth proportional to 943,105.82, 1,301,486.06 and 513,389.07 is: 708,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,105.82 : 1,301,486.06 = 513,389.07 : x
  2. Step 2: Convert to fraction form
    943,105.82/1,301,486.06 = 513,389.07/x
  3. Step 3: Cross multiply
    943,105.82x = 1,301,486.06 × 513,389.07
  4. Step 4: Simplify right side
    943,105.82x = 668,168,719,244.84
  5. Step 5: Solve for x
    x = 668,168,719,244.84/943,105.82
  6. Step 6: Final answer
    x = 708,476.94

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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.