Home / 384,013.71-529,938.03-222,963.03

Finding the Fourth Proportional to 384,013.71, 529,938.03 and 222,963.03

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Solution

The fourth proportional to 384,013.71, 529,938.03 and 222,963.03 is: 307,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,013.71 : 529,938.03 = 222,963.03 : x
  2. Step 2: Convert to fraction form
    384,013.71/529,938.03 = 222,963.03/x
  3. Step 3: Cross multiply
    384,013.71x = 529,938.03 × 222,963.03
  4. Step 4: Simplify right side
    384,013.71x = 118,156,588,881.03
  5. Step 5: Solve for x
    x = 118,156,588,881.03/384,013.71
  6. Step 6: Final answer
    x = 307,688.46

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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.