Home / 623,389.18-860,281-336,908.60

Finding the Fourth Proportional to 623,389.18, 860,281 and 336,908.60

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Solution

The fourth proportional to 623,389.18, 860,281 and 336,908.60 is: 464,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,389.18 : 860,281 = 336,908.60 : x
  2. Step 2: Convert to fraction form
    623,389.18/860,281 = 336,908.60/x
  3. Step 3: Cross multiply
    623,389.18x = 860,281 × 336,908.60
  4. Step 4: Simplify right side
    623,389.18x = 289,836,067,316.60
  5. Step 5: Solve for x
    x = 289,836,067,316.60/623,389.18
  6. Step 6: Final answer
    x = 464,935.99

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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.