Home / 476,768.31-657,937.80-258,975.24

Finding the Fourth Proportional to 476,768.31, 657,937.80 and 258,975.24

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Solution

The fourth proportional to 476,768.31, 657,937.80 and 258,975.24 is: 357,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,768.31 : 657,937.80 = 258,975.24 : x
  2. Step 2: Convert to fraction form
    476,768.31/657,937.80 = 258,975.24/x
  3. Step 3: Cross multiply
    476,768.31x = 657,937.80 × 258,975.24
  4. Step 4: Simplify right side
    476,768.31x = 170,389,599,660.07
  5. Step 5: Solve for x
    x = 170,389,599,660.07/476,768.31
  6. Step 6: Final answer
    x = 357,384.49

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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.