Home / 457,789.78-631,623.38-264,184.19

Finding the Fourth Proportional to 457,789.78, 631,623.38 and 264,184.19

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Solution

The fourth proportional to 457,789.78, 631,623.38 and 264,184.19 is: 364,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,789.78 : 631,623.38 = 264,184.19 : x
  2. Step 2: Convert to fraction form
    457,789.78/631,623.38 = 264,184.19/x
  3. Step 3: Cross multiply
    457,789.78x = 631,623.38 × 264,184.19
  4. Step 4: Simplify right side
    457,789.78x = 166,864,911,030.36
  5. Step 5: Solve for x
    x = 166,864,911,030.36/457,789.78
  6. Step 6: Final answer
    x = 364,501.17

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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.