Home / 1,399,647.83-1,931,509.26-787,800.24

Finding the Fourth Proportional to 1,399,647.83, 1,931,509.26 and 787,800.24

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Solution

The fourth proportional to 1,399,647.83, 1,931,509.26 and 787,800.24 is: 1,087,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,647.83 : 1,931,509.26 = 787,800.24 : x
  2. Step 2: Convert to fraction form
    1,399,647.83/1,931,509.26 = 787,800.24/x
  3. Step 3: Cross multiply
    1,399,647.83x = 1,931,509.26 × 787,800.24
  4. Step 4: Simplify right side
    1,399,647.83x = 1,521,643,458,590.22
  5. Step 5: Solve for x
    x = 1,521,643,458,590.22/1,399,647.83
  6. Step 6: Final answer
    x = 1,087,161.66

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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.