Home / 1,015,830.80-1,401,543.24-586,103.12

Finding the Fourth Proportional to 1,015,830.80, 1,401,543.24 and 586,103.12

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Solution

The fourth proportional to 1,015,830.80, 1,401,543.24 and 586,103.12 is: 808,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,830.80 : 1,401,543.24 = 586,103.12 : x
  2. Step 2: Convert to fraction form
    1,015,830.80/1,401,543.24 = 586,103.12/x
  3. Step 3: Cross multiply
    1,015,830.80x = 1,401,543.24 × 586,103.12
  4. Step 4: Simplify right side
    1,015,830.80x = 821,448,865,778.91
  5. Step 5: Solve for x
    x = 821,448,865,778.91/1,015,830.80
  6. Step 6: Final answer
    x = 808,647.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.