Home / 986,864.80-1,477,672.80-629,946.40

Finding the Fourth Proportional to 986,864.80, 1,477,672.80 and 629,946.40

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Solution

The fourth proportional to 986,864.80, 1,477,672.80 and 629,946.40 is: 943,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,864.80 : 1,477,672.80 = 629,946.40 : x
  2. Step 2: Convert to fraction form
    986,864.80/1,477,672.80 = 629,946.40/x
  3. Step 3: Cross multiply
    986,864.80x = 1,477,672.80 × 629,946.40
  4. Step 4: Simplify right side
    986,864.80x = 930,854,660,737.92
  5. Step 5: Solve for x
    x = 930,854,660,737.92/986,864.80
  6. Step 6: Final answer
    x = 943,244.36

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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.