Home / 657,005.10-985,501.84-207,726.27

Finding the Fourth Proportional to 657,005.10, 985,501.84 and 207,726.27

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Solution

The fourth proportional to 657,005.10, 985,501.84 and 207,726.27 is: 311,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,005.10 : 985,501.84 = 207,726.27 : x
  2. Step 2: Convert to fraction form
    657,005.10/985,501.84 = 207,726.27/x
  3. Step 3: Cross multiply
    657,005.10x = 985,501.84 × 207,726.27
  4. Step 4: Simplify right side
    657,005.10x = 204,714,623,019.32
  5. Step 5: Solve for x
    x = 204,714,623,019.32/657,005.10
  6. Step 6: Final answer
    x = 311,587.57

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1.5x scale

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.