Home / 3,638,123.10-5,457,200.85-942,256.80

Finding the Fourth Proportional to 3,638,123.10, 5,457,200.85 and 942,256.80

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Solution

The fourth proportional to 3,638,123.10, 5,457,200.85 and 942,256.80 is: 1,413,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,123.10 : 5,457,200.85 = 942,256.80 : x
  2. Step 2: Convert to fraction form
    3,638,123.10/5,457,200.85 = 942,256.80/x
  3. Step 3: Cross multiply
    3,638,123.10x = 5,457,200.85 × 942,256.80
  4. Step 4: Simplify right side
    3,638,123.10x = 5,142,084,609,878.28
  5. Step 5: Solve for x
    x = 5,142,084,609,878.28/3,638,123.10
  6. Step 6: Final answer
    x = 1,413,389.40

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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.