Home / 388,964.16-583,440.39-237,205.80

Finding the Fourth Proportional to 388,964.16, 583,440.39 and 237,205.80

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Solution

The fourth proportional to 388,964.16, 583,440.39 and 237,205.80 is: 355,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,964.16 : 583,440.39 = 237,205.80 : x
  2. Step 2: Convert to fraction form
    388,964.16/583,440.39 = 237,205.80/x
  3. Step 3: Cross multiply
    388,964.16x = 583,440.39 × 237,205.80
  4. Step 4: Simplify right side
    388,964.16x = 138,395,444,462.26
  5. Step 5: Solve for x
    x = 138,395,444,462.26/388,964.16
  6. Step 6: Final answer
    x = 355,805.13

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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.