Home / 450,606.72-621,831.60-246,656.82

Finding the Fourth Proportional to 450,606.72, 621,831.60 and 246,656.82

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Solution

The fourth proportional to 450,606.72, 621,831.60 and 246,656.82 is: 340,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,606.72 : 621,831.60 = 246,656.82 : x
  2. Step 2: Convert to fraction form
    450,606.72/621,831.60 = 246,656.82/x
  3. Step 3: Cross multiply
    450,606.72x = 621,831.60 × 246,656.82
  4. Step 4: Simplify right side
    450,606.72x = 153,379,005,031.51
  5. Step 5: Solve for x
    x = 153,379,005,031.51/450,606.72
  6. Step 6: Final answer
    x = 340,383.31

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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.