Home / 440,160.62-607,424.13-258,880.19

Finding the Fourth Proportional to 440,160.62, 607,424.13 and 258,880.19

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Solution

The fourth proportional to 440,160.62, 607,424.13 and 258,880.19 is: 357,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,160.62 : 607,424.13 = 258,880.19 : x
  2. Step 2: Convert to fraction form
    440,160.62/607,424.13 = 258,880.19/x
  3. Step 3: Cross multiply
    440,160.62x = 607,424.13 × 258,880.19
  4. Step 4: Simplify right side
    440,160.62x = 157,250,071,147.86
  5. Step 5: Solve for x
    x = 157,250,071,147.86/440,160.62
  6. Step 6: Final answer
    x = 357,256.11

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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.