Home / 455,044.02-682,034.50-342,362.17

Finding the Fourth Proportional to 455,044.02, 682,034.50 and 342,362.17

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Solution

The fourth proportional to 455,044.02, 682,034.50 and 342,362.17 is: 513,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,044.02 : 682,034.50 = 342,362.17 : x
  2. Step 2: Convert to fraction form
    455,044.02/682,034.50 = 342,362.17/x
  3. Step 3: Cross multiply
    455,044.02x = 682,034.50 × 342,362.17
  4. Step 4: Simplify right side
    455,044.02x = 233,502,811,434.87
  5. Step 5: Solve for x
    x = 233,502,811,434.87/455,044.02
  6. Step 6: Final answer
    x = 513,143.35

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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.