Home / 474,261.84-654,431.40-283,248.72

Finding the Fourth Proportional to 474,261.84, 654,431.40 and 283,248.72

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Solution

The fourth proportional to 474,261.84, 654,431.40 and 283,248.72 is: 390,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,261.84 : 654,431.40 = 283,248.72 : x
  2. Step 2: Convert to fraction form
    474,261.84/654,431.40 = 283,248.72/x
  3. Step 3: Cross multiply
    474,261.84x = 654,431.40 × 283,248.72
  4. Step 4: Simplify right side
    474,261.84x = 185,366,856,377.81
  5. Step 5: Solve for x
    x = 185,366,856,377.81/474,261.84
  6. Step 6: Final answer
    x = 390,853.41

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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.