Home / 1,119,016.63-1,678,691.67-399,302.20

Finding the Fourth Proportional to 1,119,016.63, 1,678,691.67 and 399,302.20

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Solution

The fourth proportional to 1,119,016.63, 1,678,691.67 and 399,302.20 is: 599,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,016.63 : 1,678,691.67 = 399,302.20 : x
  2. Step 2: Convert to fraction form
    1,119,016.63/1,678,691.67 = 399,302.20/x
  3. Step 3: Cross multiply
    1,119,016.63x = 1,678,691.67 × 399,302.20
  4. Step 4: Simplify right side
    1,119,016.63x = 670,305,276,952.67
  5. Step 5: Solve for x
    x = 670,305,276,952.67/1,119,016.63
  6. Step 6: Final answer
    x = 599,012.79

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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.