Home / 547,917.40-822,005.70-173,940.40

Finding the Fourth Proportional to 547,917.40, 822,005.70 and 173,940.40

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Solution

The fourth proportional to 547,917.40, 822,005.70 and 173,940.40 is: 260,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,917.40 : 822,005.70 = 173,940.40 : x
  2. Step 2: Convert to fraction form
    547,917.40/822,005.70 = 173,940.40/x
  3. Step 3: Cross multiply
    547,917.40x = 822,005.70 × 173,940.40
  4. Step 4: Simplify right side
    547,917.40x = 142,980,000,260.28
  5. Step 5: Solve for x
    x = 142,980,000,260.28/547,917.40
  6. Step 6: Final answer
    x = 260,951.74

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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.