Home / 622,052.50-931,288.82-557,143.71

Finding the Fourth Proportional to 622,052.50, 931,288.82 and 557,143.71

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Solution

The fourth proportional to 622,052.50, 931,288.82 and 557,143.71 is: 834,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,052.50 : 931,288.82 = 557,143.71 : x
  2. Step 2: Convert to fraction form
    622,052.50/931,288.82 = 557,143.71/x
  3. Step 3: Cross multiply
    622,052.50x = 931,288.82 × 557,143.71
  4. Step 4: Simplify right side
    622,052.50x = 518,861,708,256.32
  5. Step 5: Solve for x
    x = 518,861,708,256.32/622,052.50
  6. Step 6: Final answer
    x = 834,112.41

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Half scale
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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.