Home / 470,823.21-706,443.39-268,411.86

Finding the Fourth Proportional to 470,823.21, 706,443.39 and 268,411.86

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Solution

The fourth proportional to 470,823.21, 706,443.39 and 268,411.86 is: 402,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,823.21 : 706,443.39 = 268,411.86 : x
  2. Step 2: Convert to fraction form
    470,823.21/706,443.39 = 268,411.86/x
  3. Step 3: Cross multiply
    470,823.21x = 706,443.39 × 268,411.86
  4. Step 4: Simplify right side
    470,823.21x = 189,617,784,294.61
  5. Step 5: Solve for x
    x = 189,617,784,294.61/470,823.21
  6. Step 6: Final answer
    x = 402,736.70

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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.