Home / 1,311,269.16-1,967,253.76-469,905.96

Finding the Fourth Proportional to 1,311,269.16, 1,967,253.76 and 469,905.96

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Solution

The fourth proportional to 1,311,269.16, 1,967,253.76 and 469,905.96 is: 704,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,269.16 : 1,967,253.76 = 469,905.96 : x
  2. Step 2: Convert to fraction form
    1,311,269.16/1,967,253.76 = 469,905.96/x
  3. Step 3: Cross multiply
    1,311,269.16x = 1,967,253.76 × 469,905.96
  4. Step 4: Simplify right side
    1,311,269.16x = 924,424,266,656.41
  5. Step 5: Solve for x
    x = 924,424,266,656.41/1,311,269.16
  6. Step 6: Final answer
    x = 704,984.37

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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.