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Finding the Fourth Proportional to 950,801.65, 1,311,523.31 and 776,624.98

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Solution

The fourth proportional to 950,801.65, 1,311,523.31 and 776,624.98 is: 1,071,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,801.65 : 1,311,523.31 = 776,624.98 : x
  2. Step 2: Convert to fraction form
    950,801.65/1,311,523.31 = 776,624.98/x
  3. Step 3: Cross multiply
    950,801.65x = 1,311,523.31 × 776,624.98
  4. Step 4: Simplify right side
    950,801.65x = 1,018,561,764,398.28
  5. Step 5: Solve for x
    x = 1,018,561,764,398.28/950,801.65
  6. Step 6: Final answer
    x = 1,071,266.30

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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.