Home / 637,175.31-879,201.18-365,190.81

Finding the Fourth Proportional to 637,175.31, 879,201.18 and 365,190.81

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Solution

The fourth proportional to 637,175.31, 879,201.18 and 365,190.81 is: 503,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,175.31 : 879,201.18 = 365,190.81 : x
  2. Step 2: Convert to fraction form
    637,175.31/879,201.18 = 365,190.81/x
  3. Step 3: Cross multiply
    637,175.31x = 879,201.18 × 365,190.81
  4. Step 4: Simplify right side
    637,175.31x = 321,076,191,077.16
  5. Step 5: Solve for x
    x = 321,076,191,077.16/637,175.31
  6. Step 6: Final answer
    x = 503,905.58

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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.