Home / 440,921.51-608,601.17-287,983.08

Finding the Fourth Proportional to 440,921.51, 608,601.17 and 287,983.08

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Solution

The fourth proportional to 440,921.51, 608,601.17 and 287,983.08 is: 397,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,921.51 : 608,601.17 = 287,983.08 : x
  2. Step 2: Convert to fraction form
    440,921.51/608,601.17 = 287,983.08/x
  3. Step 3: Cross multiply
    440,921.51x = 608,601.17 × 287,983.08
  4. Step 4: Simplify right side
    440,921.51x = 175,266,837,988.29
  5. Step 5: Solve for x
    x = 175,266,837,988.29/440,921.51
  6. Step 6: Final answer
    x = 397,501.22

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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.