Home / 1,020,919.32-1,408,844.70-568,200.60

Finding the Fourth Proportional to 1,020,919.32, 1,408,844.70 and 568,200.60

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Solution

The fourth proportional to 1,020,919.32, 1,408,844.70 and 568,200.60 is: 784,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,919.32 : 1,408,844.70 = 568,200.60 : x
  2. Step 2: Convert to fraction form
    1,020,919.32/1,408,844.70 = 568,200.60/x
  3. Step 3: Cross multiply
    1,020,919.32x = 1,408,844.70 × 568,200.60
  4. Step 4: Simplify right side
    1,020,919.32x = 800,506,403,846.82
  5. Step 5: Solve for x
    x = 800,506,403,846.82/1,020,919.32
  6. Step 6: Final answer
    x = 784,103.49

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Double scale
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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.