Home / 986,369.40-1,479,116.70-454,053.60

Finding the Fourth Proportional to 986,369.40, 1,479,116.70 and 454,053.60

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Solution

The fourth proportional to 986,369.40, 1,479,116.70 and 454,053.60 is: 680,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,369.40 : 1,479,116.70 = 454,053.60 : x
  2. Step 2: Convert to fraction form
    986,369.40/1,479,116.70 = 454,053.60/x
  3. Step 3: Cross multiply
    986,369.40x = 1,479,116.70 × 454,053.60
  4. Step 4: Simplify right side
    986,369.40x = 671,598,262,455.12
  5. Step 5: Solve for x
    x = 671,598,262,455.12/986,369.40
  6. Step 6: Final answer
    x = 680,879.05

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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.