Home / 440,110.92-607,259.64-258,756.66

Finding the Fourth Proportional to 440,110.92, 607,259.64 and 258,756.66

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Solution

The fourth proportional to 440,110.92, 607,259.64 and 258,756.66 is: 357,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,110.92 : 607,259.64 = 258,756.66 : x
  2. Step 2: Convert to fraction form
    440,110.92/607,259.64 = 258,756.66/x
  3. Step 3: Cross multiply
    440,110.92x = 607,259.64 × 258,756.66
  4. Step 4: Simplify right side
    440,110.92x = 157,132,476,199.20
  5. Step 5: Solve for x
    x = 157,132,476,199.20/440,110.92
  6. Step 6: Final answer
    x = 357,029.26

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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.