Home / 607,299.69-838,423.41-403,626.81

Finding the Fourth Proportional to 607,299.69, 838,423.41 and 403,626.81

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Solution

The fourth proportional to 607,299.69, 838,423.41 and 403,626.81 is: 557,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,299.69 : 838,423.41 = 403,626.81 : x
  2. Step 2: Convert to fraction form
    607,299.69/838,423.41 = 403,626.81/x
  3. Step 3: Cross multiply
    607,299.69x = 838,423.41 × 403,626.81
  4. Step 4: Simplify right side
    607,299.69x = 338,410,166,407.62
  5. Step 5: Solve for x
    x = 338,410,166,407.62/607,299.69
  6. Step 6: Final answer
    x = 557,237.51

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1.5x scale

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.