Home / 444,304.20-666,456.30-395,315.40

Finding the Fourth Proportional to 444,304.20, 666,456.30 and 395,315.40

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Solution

The fourth proportional to 444,304.20, 666,456.30 and 395,315.40 is: 592,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,304.20 : 666,456.30 = 395,315.40 : x
  2. Step 2: Convert to fraction form
    444,304.20/666,456.30 = 395,315.40/x
  3. Step 3: Cross multiply
    444,304.20x = 666,456.30 × 395,315.40
  4. Step 4: Simplify right side
    444,304.20x = 263,460,438,817.02
  5. Step 5: Solve for x
    x = 263,460,438,817.02/444,304.20
  6. Step 6: Final answer
    x = 592,973.10

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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.