Home / 419,851.12-579,365.60-236,117.16

Finding the Fourth Proportional to 419,851.12, 579,365.60 and 236,117.16

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Solution

The fourth proportional to 419,851.12, 579,365.60 and 236,117.16 is: 325,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,851.12 : 579,365.60 = 236,117.16 : x
  2. Step 2: Convert to fraction form
    419,851.12/579,365.60 = 236,117.16/x
  3. Step 3: Cross multiply
    419,851.12x = 579,365.60 × 236,117.16
  4. Step 4: Simplify right side
    419,851.12x = 136,798,160,073.70
  5. Step 5: Solve for x
    x = 136,798,160,073.70/419,851.12
  6. Step 6: Final answer
    x = 325,825.40

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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.