Home / 559,336.20-771,880.01-304,687.38

Finding the Fourth Proportional to 559,336.20, 771,880.01 and 304,687.38

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Solution

The fourth proportional to 559,336.20, 771,880.01 and 304,687.38 is: 420,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,336.20 : 771,880.01 = 304,687.38 : x
  2. Step 2: Convert to fraction form
    559,336.20/771,880.01 = 304,687.38/x
  3. Step 3: Cross multiply
    559,336.20x = 771,880.01 × 304,687.38
  4. Step 4: Simplify right side
    559,336.20x = 235,182,097,921.27
  5. Step 5: Solve for x
    x = 235,182,097,921.27/559,336.20
  6. Step 6: Final answer
    x = 420,466.43

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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.