Home / 439,925.25-607,090.36-258,657.57

Finding the Fourth Proportional to 439,925.25, 607,090.36 and 258,657.57

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Solution

The fourth proportional to 439,925.25, 607,090.36 and 258,657.57 is: 356,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,925.25 : 607,090.36 = 258,657.57 : x
  2. Step 2: Convert to fraction form
    439,925.25/607,090.36 = 258,657.57/x
  3. Step 3: Cross multiply
    439,925.25x = 607,090.36 × 258,657.57
  4. Step 4: Simplify right side
    439,925.25x = 157,028,517,288.03
  5. Step 5: Solve for x
    x = 157,028,517,288.03/439,925.25
  6. Step 6: Final answer
    x = 356,943.63

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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.