Home / 903,278.75-1,246,409.39-516,119.25

Finding the Fourth Proportional to 903,278.75, 1,246,409.39 and 516,119.25

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Solution

The fourth proportional to 903,278.75, 1,246,409.39 and 516,119.25 is: 712,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,278.75 : 1,246,409.39 = 516,119.25 : x
  2. Step 2: Convert to fraction form
    903,278.75/1,246,409.39 = 516,119.25/x
  3. Step 3: Cross multiply
    903,278.75x = 1,246,409.39 × 516,119.25
  4. Step 4: Simplify right side
    903,278.75x = 643,295,873,857.10
  5. Step 5: Solve for x
    x = 643,295,873,857.10/903,278.75
  6. Step 6: Final answer
    x = 712,178.69

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Half scale
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Double scale
Find fourth proportional to 903,279.75, 1,246,410.77 and 516,120.25
Similar ratio
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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.