Home / 457,036.56-630,606.06-293,778.36

Finding the Fourth Proportional to 457,036.56, 630,606.06 and 293,778.36

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Solution

The fourth proportional to 457,036.56, 630,606.06 and 293,778.36 is: 405,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,036.56 : 630,606.06 = 293,778.36 : x
  2. Step 2: Convert to fraction form
    457,036.56/630,606.06 = 293,778.36/x
  3. Step 3: Cross multiply
    457,036.56x = 630,606.06 × 293,778.36
  4. Step 4: Simplify right side
    457,036.56x = 185,258,414,112.86
  5. Step 5: Solve for x
    x = 185,258,414,112.86/457,036.56
  6. Step 6: Final answer
    x = 405,347.03

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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.