Home / 1,138,305.32-1,707,682.18-339,569.18

Finding the Fourth Proportional to 1,138,305.32, 1,707,682.18 and 339,569.18

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Solution

The fourth proportional to 1,138,305.32, 1,707,682.18 and 339,569.18 is: 509,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,305.32 : 1,707,682.18 = 339,569.18 : x
  2. Step 2: Convert to fraction form
    1,138,305.32/1,707,682.18 = 339,569.18/x
  3. Step 3: Cross multiply
    1,138,305.32x = 1,707,682.18 × 339,569.18
  4. Step 4: Simplify right side
    1,138,305.32x = 579,876,237,563.21
  5. Step 5: Solve for x
    x = 579,876,237,563.21/1,138,305.32
  6. Step 6: Final answer
    x = 509,420.65

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Double scale
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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.