Home / 1,237,569.68-1,856,356.14-339,019.40

Finding the Fourth Proportional to 1,237,569.68, 1,856,356.14 and 339,019.40

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Solution

The fourth proportional to 1,237,569.68, 1,856,356.14 and 339,019.40 is: 508,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,569.68 : 1,856,356.14 = 339,019.40 : x
  2. Step 2: Convert to fraction form
    1,237,569.68/1,856,356.14 = 339,019.40/x
  3. Step 3: Cross multiply
    1,237,569.68x = 1,856,356.14 × 339,019.40
  4. Step 4: Simplify right side
    1,237,569.68x = 629,340,744,769.12
  5. Step 5: Solve for x
    x = 629,340,744,769.12/1,237,569.68
  6. Step 6: Final answer
    x = 508,529.54

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Double scale
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Similar ratio
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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.