Home / 927,156.16-1,390,509.46-253,240.62

Finding the Fourth Proportional to 927,156.16, 1,390,509.46 and 253,240.62

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Solution

The fourth proportional to 927,156.16, 1,390,509.46 and 253,240.62 is: 379,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,156.16 : 1,390,509.46 = 253,240.62 : x
  2. Step 2: Convert to fraction form
    927,156.16/1,390,509.46 = 253,240.62/x
  3. Step 3: Cross multiply
    927,156.16x = 1,390,509.46 × 253,240.62
  4. Step 4: Simplify right side
    927,156.16x = 352,133,477,766.27
  5. Step 5: Solve for x
    x = 352,133,477,766.27/927,156.16
  6. Step 6: Final answer
    x = 379,799.53

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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.