Home / 400,623.57-601,015.55-147,905.60

Finding the Fourth Proportional to 400,623.57, 601,015.55 and 147,905.60

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Solution

The fourth proportional to 400,623.57, 601,015.55 and 147,905.60 is: 221,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.57 : 601,015.55 = 147,905.60 : x
  2. Step 2: Convert to fraction form
    400,623.57/601,015.55 = 147,905.60/x
  3. Step 3: Cross multiply
    400,623.57x = 601,015.55 × 147,905.60
  4. Step 4: Simplify right side
    400,623.57x = 88,893,561,787.47
  5. Step 5: Solve for x
    x = 88,893,561,787.47/400,623.57
  6. Step 6: Final answer
    x = 221,888.00

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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.