Home / 553,634.20-829,932.90-433,624.60

Finding the Fourth Proportional to 553,634.20, 829,932.90 and 433,624.60

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Solution

The fourth proportional to 553,634.20, 829,932.90 and 433,624.60 is: 650,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,634.20 : 829,932.90 = 433,624.60 : x
  2. Step 2: Convert to fraction form
    553,634.20/829,932.90 = 433,624.60/x
  3. Step 3: Cross multiply
    553,634.20x = 829,932.90 × 433,624.60
  4. Step 4: Simplify right side
    553,634.20x = 359,879,321,789.34
  5. Step 5: Solve for x
    x = 359,879,321,789.34/553,634.20
  6. Step 6: Final answer
    x = 650,030.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.