Home / 1,176,045.28-1,763,857.49-311,486.11

Finding the Fourth Proportional to 1,176,045.28, 1,763,857.49 and 311,486.11

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Solution

The fourth proportional to 1,176,045.28, 1,763,857.49 and 311,486.11 is: 467,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,045.28 : 1,763,857.49 = 311,486.11 : x
  2. Step 2: Convert to fraction form
    1,176,045.28/1,763,857.49 = 311,486.11/x
  3. Step 3: Cross multiply
    1,176,045.28x = 1,763,857.49 × 311,486.11
  4. Step 4: Simplify right side
    1,176,045.28x = 549,417,102,187.39
  5. Step 5: Solve for x
    x = 549,417,102,187.39/1,176,045.28
  6. Step 6: Final answer
    x = 467,173.43

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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.