Home / 474,482.52-654,721.38-283,455.36

Finding the Fourth Proportional to 474,482.52, 654,721.38 and 283,455.36

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Solution

The fourth proportional to 474,482.52, 654,721.38 and 283,455.36 is: 391,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,482.52 : 654,721.38 = 283,455.36 : x
  2. Step 2: Convert to fraction form
    474,482.52/654,721.38 = 283,455.36/x
  3. Step 3: Cross multiply
    474,482.52x = 654,721.38 × 283,455.36
  4. Step 4: Simplify right side
    474,482.52x = 185,584,284,467.60
  5. Step 5: Solve for x
    x = 185,584,284,467.60/474,482.52
  6. Step 6: Final answer
    x = 391,129.87

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1.5x scale

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.