Home / 447,743.56-671,620.51-191,541.28

Finding the Fourth Proportional to 447,743.56, 671,620.51 and 191,541.28

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Solution

The fourth proportional to 447,743.56, 671,620.51 and 191,541.28 is: 287,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,743.56 : 671,620.51 = 191,541.28 : x
  2. Step 2: Convert to fraction form
    447,743.56/671,620.51 = 191,541.28/x
  3. Step 3: Cross multiply
    447,743.56x = 671,620.51 × 191,541.28
  4. Step 4: Simplify right side
    447,743.56x = 128,643,052,159.65
  5. Step 5: Solve for x
    x = 128,643,052,159.65/447,743.56
  6. Step 6: Final answer
    x = 287,314.13

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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.