Home / 440,142.02-607,449.62-258,845.18

Finding the Fourth Proportional to 440,142.02, 607,449.62 and 258,845.18

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Solution

The fourth proportional to 440,142.02, 607,449.62 and 258,845.18 is: 357,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,142.02 : 607,449.62 = 258,845.18 : x
  2. Step 2: Convert to fraction form
    440,142.02/607,449.62 = 258,845.18/x
  3. Step 3: Cross multiply
    440,142.02x = 607,449.62 × 258,845.18
  4. Step 4: Simplify right side
    440,142.02x = 157,235,406,229.83
  5. Step 5: Solve for x
    x = 157,235,406,229.83/440,142.02
  6. Step 6: Final answer
    x = 357,237.89

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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.