Home / 1,865,705.45-2,798,758.17-517,873.77

Finding the Fourth Proportional to 1,865,705.45, 2,798,758.17 and 517,873.77

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Solution

The fourth proportional to 1,865,705.45, 2,798,758.17 and 517,873.77 is: 776,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,705.45 : 2,798,758.17 = 517,873.77 : x
  2. Step 2: Convert to fraction form
    1,865,705.45/2,798,758.17 = 517,873.77/x
  3. Step 3: Cross multiply
    1,865,705.45x = 2,798,758.17 × 517,873.77
  4. Step 4: Simplify right side
    1,865,705.45x = 1,449,403,444,816.20
  5. Step 5: Solve for x
    x = 1,449,403,444,816.20/1,865,705.45
  6. Step 6: Final answer
    x = 776,866.17

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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.