Home / 859,235.04-1,185,743.88-477,297.36

Finding the Fourth Proportional to 859,235.04, 1,185,743.88 and 477,297.36

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Solution

The fourth proportional to 859,235.04, 1,185,743.88 and 477,297.36 is: 658,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,235.04 : 1,185,743.88 = 477,297.36 : x
  2. Step 2: Convert to fraction form
    859,235.04/1,185,743.88 = 477,297.36/x
  3. Step 3: Cross multiply
    859,235.04x = 1,185,743.88 × 477,297.36
  4. Step 4: Simplify right side
    859,235.04x = 565,952,423,560.16
  5. Step 5: Solve for x
    x = 565,952,423,560.16/859,235.04
  6. Step 6: Final answer
    x = 658,670.09

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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.