Home / 465,837.12-642,878.01-261,952.23

Finding the Fourth Proportional to 465,837.12, 642,878.01 and 261,952.23

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Solution

The fourth proportional to 465,837.12, 642,878.01 and 261,952.23 is: 361,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,837.12 : 642,878.01 = 261,952.23 : x
  2. Step 2: Convert to fraction form
    465,837.12/642,878.01 = 261,952.23/x
  3. Step 3: Cross multiply
    465,837.12x = 642,878.01 × 261,952.23
  4. Step 4: Simplify right side
    465,837.12x = 168,403,328,337.46
  5. Step 5: Solve for x
    x = 168,403,328,337.46/465,837.12
  6. Step 6: Final answer
    x = 361,506.89

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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.