Home / 1,237,964.54-1,856,946.81-817,142

Finding the Fourth Proportional to 1,237,964.54, 1,856,946.81 and 817,142

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Solution

The fourth proportional to 1,237,964.54, 1,856,946.81 and 817,142 is: 1,225,713

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,964.54 : 1,856,946.81 = 817,142 : x
  2. Step 2: Convert to fraction form
    1,237,964.54/1,856,946.81 = 817,142/x
  3. Step 3: Cross multiply
    1,237,964.54x = 1,856,946.81 × 817,142
  4. Step 4: Simplify right side
    1,237,964.54x = 1,517,389,230,217.02
  5. Step 5: Solve for x
    x = 1,517,389,230,217.02/1,237,964.54
  6. Step 6: Final answer
    x = 1,225,713

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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.