Home / 492,637.02-679,838.64-266,282.52

Finding the Fourth Proportional to 492,637.02, 679,838.64 and 266,282.52

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Solution

The fourth proportional to 492,637.02, 679,838.64 and 266,282.52 is: 367,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,637.02 : 679,838.64 = 266,282.52 : x
  2. Step 2: Convert to fraction form
    492,637.02/679,838.64 = 266,282.52/x
  3. Step 3: Cross multiply
    492,637.02x = 679,838.64 × 266,282.52
  4. Step 4: Simplify right side
    492,637.02x = 181,029,146,252.57
  5. Step 5: Solve for x
    x = 181,029,146,252.57/492,637.02
  6. Step 6: Final answer
    x = 367,469.64

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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.