Home / 1,856,803.05-2,785,181.49-508,964.40

Finding the Fourth Proportional to 1,856,803.05, 2,785,181.49 and 508,964.40

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Solution

The fourth proportional to 1,856,803.05, 2,785,181.49 and 508,964.40 is: 763,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,803.05 : 2,785,181.49 = 508,964.40 : x
  2. Step 2: Convert to fraction form
    1,856,803.05/2,785,181.49 = 508,964.40/x
  3. Step 3: Cross multiply
    1,856,803.05x = 2,785,181.49 × 508,964.40
  4. Step 4: Simplify right side
    1,856,803.05x = 1,417,558,225,948.96
  5. Step 5: Solve for x
    x = 1,417,558,225,948.96/1,856,803.05
  6. Step 6: Final answer
    x = 763,440.27

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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.