Home / 832,515.78-1,147,914.06-615,039.12

Finding the Fourth Proportional to 832,515.78, 1,147,914.06 and 615,039.12

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Solution

The fourth proportional to 832,515.78, 1,147,914.06 and 615,039.12 is: 848,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,515.78 : 1,147,914.06 = 615,039.12 : x
  2. Step 2: Convert to fraction form
    832,515.78/1,147,914.06 = 615,039.12/x
  3. Step 3: Cross multiply
    832,515.78x = 1,147,914.06 × 615,039.12
  4. Step 4: Simplify right side
    832,515.78x = 706,012,053,298.03
  5. Step 5: Solve for x
    x = 706,012,053,298.03/832,515.78
  6. Step 6: Final answer
    x = 848,046.45

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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.