Home / 527,583.53-728,078.83-323,747.08

Finding the Fourth Proportional to 527,583.53, 728,078.83 and 323,747.08

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Solution

The fourth proportional to 527,583.53, 728,078.83 and 323,747.08 is: 446,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,583.53 : 728,078.83 = 323,747.08 : x
  2. Step 2: Convert to fraction form
    527,583.53/728,078.83 = 323,747.08/x
  3. Step 3: Cross multiply
    527,583.53x = 728,078.83 × 323,747.08
  4. Step 4: Simplify right side
    527,583.53x = 235,713,392,592.75
  5. Step 5: Solve for x
    x = 235,713,392,592.75/527,583.53
  6. Step 6: Final answer
    x = 446,779.29

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1.5x scale

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.