Home / 986,017.62-1,479,189.96-346,155.30

Finding the Fourth Proportional to 986,017.62, 1,479,189.96 and 346,155.30

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Solution

The fourth proportional to 986,017.62, 1,479,189.96 and 346,155.30 is: 519,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,017.62 : 1,479,189.96 = 346,155.30 : x
  2. Step 2: Convert to fraction form
    986,017.62/1,479,189.96 = 346,155.30/x
  3. Step 3: Cross multiply
    986,017.62x = 1,479,189.96 × 346,155.30
  4. Step 4: Simplify right side
    986,017.62x = 512,029,444,360.79
  5. Step 5: Solve for x
    x = 512,029,444,360.79/986,017.62
  6. Step 6: Final answer
    x = 519,290.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.