Home / 862,898.04-1,190,800.49-518,737.77

Finding the Fourth Proportional to 862,898.04, 1,190,800.49 and 518,737.77

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Solution

The fourth proportional to 862,898.04, 1,190,800.49 and 518,737.77 is: 715,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,898.04 : 1,190,800.49 = 518,737.77 : x
  2. Step 2: Convert to fraction form
    862,898.04/1,190,800.49 = 518,737.77/x
  3. Step 3: Cross multiply
    862,898.04x = 1,190,800.49 × 518,737.77
  4. Step 4: Simplify right side
    862,898.04x = 617,713,190,697.51
  5. Step 5: Solve for x
    x = 617,713,190,697.51/862,898.04
  6. Step 6: Final answer
    x = 715,858.84

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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.