Home / 423,822.12-585,392.58-316,867.56

Finding the Fourth Proportional to 423,822.12, 585,392.58 and 316,867.56

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Solution

The fourth proportional to 423,822.12, 585,392.58 and 316,867.56 is: 437,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,822.12 : 585,392.58 = 316,867.56 : x
  2. Step 2: Convert to fraction form
    423,822.12/585,392.58 = 316,867.56/x
  3. Step 3: Cross multiply
    423,822.12x = 585,392.58 × 316,867.56
  4. Step 4: Simplify right side
    423,822.12x = 185,491,918,466.71
  5. Step 5: Solve for x
    x = 185,491,918,466.71/423,822.12
  6. Step 6: Final answer
    x = 437,664.55

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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.