Home / 836,915.49-1,154,919.06-474,372.72

Finding the Fourth Proportional to 836,915.49, 1,154,919.06 and 474,372.72

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Solution

The fourth proportional to 836,915.49, 1,154,919.06 and 474,372.72 is: 654,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,915.49 : 1,154,919.06 = 474,372.72 : x
  2. Step 2: Convert to fraction form
    836,915.49/1,154,919.06 = 474,372.72/x
  3. Step 3: Cross multiply
    836,915.49x = 1,154,919.06 × 474,372.72
  4. Step 4: Simplify right side
    836,915.49x = 547,862,095,872.04
  5. Step 5: Solve for x
    x = 547,862,095,872.04/836,915.49
  6. Step 6: Final answer
    x = 654,620.57

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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.