Home / 1,565,977.77-2,161,200.99-877,766.52

Finding the Fourth Proportional to 1,565,977.77, 2,161,200.99 and 877,766.52

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Solution

The fourth proportional to 1,565,977.77, 2,161,200.99 and 877,766.52 is: 1,211,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,977.77 : 2,161,200.99 = 877,766.52 : x
  2. Step 2: Convert to fraction form
    1,565,977.77/2,161,200.99 = 877,766.52/x
  3. Step 3: Cross multiply
    1,565,977.77x = 2,161,200.99 × 877,766.52
  4. Step 4: Simplify right side
    1,565,977.77x = 1,897,029,872,012.86
  5. Step 5: Solve for x
    x = 1,897,029,872,012.86/1,565,977.77
  6. Step 6: Final answer
    x = 1,211,402.81

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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.