Home / 984,650.28-1,358,296.62-678,199.59

Finding the Fourth Proportional to 984,650.28, 1,358,296.62 and 678,199.59

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Solution

The fourth proportional to 984,650.28, 1,358,296.62 and 678,199.59 is: 935,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,650.28 : 1,358,296.62 = 678,199.59 : x
  2. Step 2: Convert to fraction form
    984,650.28/1,358,296.62 = 678,199.59/x
  3. Step 3: Cross multiply
    984,650.28x = 1,358,296.62 × 678,199.59
  4. Step 4: Simplify right side
    984,650.28x = 921,196,210,782.39
  5. Step 5: Solve for x
    x = 921,196,210,782.39/984,650.28
  6. Step 6: Final answer
    x = 935,556.74

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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.