Home / 1,588,081.40-2,191,566.21-862,929.11

Finding the Fourth Proportional to 1,588,081.40, 2,191,566.21 and 862,929.11

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Solution

The fourth proportional to 1,588,081.40, 2,191,566.21 and 862,929.11 is: 1,190,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,081.40 : 2,191,566.21 = 862,929.11 : x
  2. Step 2: Convert to fraction form
    1,588,081.40/2,191,566.21 = 862,929.11/x
  3. Step 3: Cross multiply
    1,588,081.40x = 2,191,566.21 × 862,929.11
  4. Step 4: Simplify right side
    1,588,081.40x = 1,891,166,268,143.54
  5. Step 5: Solve for x
    x = 1,891,166,268,143.54/1,588,081.40
  6. Step 6: Final answer
    x = 1,190,849.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.