Home / 986,018.12-1,479,190.71-346,155.80

Finding the Fourth Proportional to 986,018.12, 1,479,190.71 and 346,155.80

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Solution

The fourth proportional to 986,018.12, 1,479,190.71 and 346,155.80 is: 519,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,018.12 : 1,479,190.71 = 346,155.80 : x
  2. Step 2: Convert to fraction form
    986,018.12/1,479,190.71 = 346,155.80/x
  3. Step 3: Cross multiply
    986,018.12x = 1,479,190.71 × 346,155.80
  4. Step 4: Simplify right side
    986,018.12x = 512,030,443,572.62
  5. Step 5: Solve for x
    x = 512,030,443,572.62/986,018.12
  6. Step 6: Final answer
    x = 519,291.11

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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.