Home / 340,823.64-470,281.10-197,555.70

Finding the Fourth Proportional to 340,823.64, 470,281.10 and 197,555.70

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Solution

The fourth proportional to 340,823.64, 470,281.10 and 197,555.70 is: 272,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,823.64 : 470,281.10 = 197,555.70 : x
  2. Step 2: Convert to fraction form
    340,823.64/470,281.10 = 197,555.70/x
  3. Step 3: Cross multiply
    340,823.64x = 470,281.10 × 197,555.70
  4. Step 4: Simplify right side
    340,823.64x = 92,906,710,919.49
  5. Step 5: Solve for x
    x = 92,906,710,919.49/340,823.64
  6. Step 6: Final answer
    x = 272,594.68

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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.