Home / 480,330.04-720,509.64-164,782.36

Finding the Fourth Proportional to 480,330.04, 720,509.64 and 164,782.36

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Solution

The fourth proportional to 480,330.04, 720,509.64 and 164,782.36 is: 247,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,330.04 : 720,509.64 = 164,782.36 : x
  2. Step 2: Convert to fraction form
    480,330.04/720,509.64 = 164,782.36/x
  3. Step 3: Cross multiply
    480,330.04x = 720,509.64 × 164,782.36
  4. Step 4: Simplify right side
    480,330.04x = 118,727,278,881.95
  5. Step 5: Solve for x
    x = 118,727,278,881.95/480,330.04
  6. Step 6: Final answer
    x = 247,178.54

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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.