Home / 440,966.28-607,970.34-285,643.56

Finding the Fourth Proportional to 440,966.28, 607,970.34 and 285,643.56

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Solution

The fourth proportional to 440,966.28, 607,970.34 and 285,643.56 is: 393,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,966.28 : 607,970.34 = 285,643.56 : x
  2. Step 2: Convert to fraction form
    440,966.28/607,970.34 = 285,643.56/x
  3. Step 3: Cross multiply
    440,966.28x = 607,970.34 × 285,643.56
  4. Step 4: Simplify right side
    440,966.28x = 173,662,812,292.01
  5. Step 5: Solve for x
    x = 173,662,812,292.01/440,966.28
  6. Step 6: Final answer
    x = 393,823.34

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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.