Home / 424,576.17-637,017.35-214,055.55

Finding the Fourth Proportional to 424,576.17, 637,017.35 and 214,055.55

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Solution

The fourth proportional to 424,576.17, 637,017.35 and 214,055.55 is: 321,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,576.17 : 637,017.35 = 214,055.55 : x
  2. Step 2: Convert to fraction form
    424,576.17/637,017.35 = 214,055.55/x
  3. Step 3: Cross multiply
    424,576.17x = 637,017.35 × 214,055.55
  4. Step 4: Simplify right side
    424,576.17x = 136,357,098,143.52
  5. Step 5: Solve for x
    x = 136,357,098,143.52/424,576.17
  6. Step 6: Final answer
    x = 321,160.51

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1.5x scale

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.