Home / 480,332.40-720,513.24-164,784.84

Finding the Fourth Proportional to 480,332.40, 720,513.24 and 164,784.84

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Solution

The fourth proportional to 480,332.40, 720,513.24 and 164,784.84 is: 247,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,332.40 : 720,513.24 = 164,784.84 : x
  2. Step 2: Convert to fraction form
    480,332.40/720,513.24 = 164,784.84/x
  3. Step 3: Cross multiply
    480,332.40x = 720,513.24 × 164,784.84
  4. Step 4: Simplify right side
    480,332.40x = 118,729,658,971.28
  5. Step 5: Solve for x
    x = 118,729,658,971.28/480,332.40
  6. Step 6: Final answer
    x = 247,182.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.