Home / 741,230.39-1,022,134.24-634,154.87

Finding the Fourth Proportional to 741,230.39, 1,022,134.24 and 634,154.87

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Solution

The fourth proportional to 741,230.39, 1,022,134.24 and 634,154.87 is: 874,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,230.39 : 1,022,134.24 = 634,154.87 : x
  2. Step 2: Convert to fraction form
    741,230.39/1,022,134.24 = 634,154.87/x
  3. Step 3: Cross multiply
    741,230.39x = 1,022,134.24 × 634,154.87
  4. Step 4: Simplify right side
    741,230.39x = 648,191,409,437.78
  5. Step 5: Solve for x
    x = 648,191,409,437.78/741,230.39
  6. Step 6: Final answer
    x = 874,480.35

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Double scale
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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.