Home / 856,626.87-1,182,127.44-474,650.31

Finding the Fourth Proportional to 856,626.87, 1,182,127.44 and 474,650.31

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Solution

The fourth proportional to 856,626.87, 1,182,127.44 and 474,650.31 is: 655,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,626.87 : 1,182,127.44 = 474,650.31 : x
  2. Step 2: Convert to fraction form
    856,626.87/1,182,127.44 = 474,650.31/x
  3. Step 3: Cross multiply
    856,626.87x = 1,182,127.44 × 474,650.31
  4. Step 4: Simplify right side
    856,626.87x = 561,097,155,855.51
  5. Step 5: Solve for x
    x = 561,097,155,855.51/856,626.87
  6. Step 6: Final answer
    x = 655,007.65

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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.