Home / 487,955.18-673,378.04-273,095.23

Finding the Fourth Proportional to 487,955.18, 673,378.04 and 273,095.23

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Solution

The fourth proportional to 487,955.18, 673,378.04 and 273,095.23 is: 376,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,955.18 : 673,378.04 = 273,095.23 : x
  2. Step 2: Convert to fraction form
    487,955.18/673,378.04 = 273,095.23/x
  3. Step 3: Cross multiply
    487,955.18x = 673,378.04 × 273,095.23
  4. Step 4: Simplify right side
    487,955.18x = 183,896,330,710.75
  5. Step 5: Solve for x
    x = 183,896,330,710.75/487,955.18
  6. Step 6: Final answer
    x = 376,871.36

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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.