Home / 440,140.02-607,446.86-258,843.18

Finding the Fourth Proportional to 440,140.02, 607,446.86 and 258,843.18

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Solution

The fourth proportional to 440,140.02, 607,446.86 and 258,843.18 is: 357,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,140.02 : 607,446.86 = 258,843.18 : x
  2. Step 2: Convert to fraction form
    440,140.02/607,446.86 = 258,843.18/x
  3. Step 3: Cross multiply
    440,140.02x = 607,446.86 × 258,843.18
  4. Step 4: Simplify right side
    440,140.02x = 157,233,476,923.42
  5. Step 5: Solve for x
    x = 157,233,476,923.42/440,140.02
  6. Step 6: Final answer
    x = 357,235.13

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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.