Home / 986,543.20-1,479,814.80-514,151.20

Finding the Fourth Proportional to 986,543.20, 1,479,814.80 and 514,151.20

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Solution

The fourth proportional to 986,543.20, 1,479,814.80 and 514,151.20 is: 771,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,543.20 : 1,479,814.80 = 514,151.20 : x
  2. Step 2: Convert to fraction form
    986,543.20/1,479,814.80 = 514,151.20/x
  3. Step 3: Cross multiply
    986,543.20x = 1,479,814.80 × 514,151.20
  4. Step 4: Simplify right side
    986,543.20x = 760,848,555,197.76
  5. Step 5: Solve for x
    x = 760,848,555,197.76/986,543.20
  6. Step 6: Final answer
    x = 771,226.80

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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.