Home / 637,176.81-879,203.25-365,192.31

Finding the Fourth Proportional to 637,176.81, 879,203.25 and 365,192.31

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Solution

The fourth proportional to 637,176.81, 879,203.25 and 365,192.31 is: 503,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,176.81 : 879,203.25 = 365,192.31 : x
  2. Step 2: Convert to fraction form
    637,176.81/879,203.25 = 365,192.31/x
  3. Step 3: Cross multiply
    637,176.81x = 879,203.25 × 365,192.31
  4. Step 4: Simplify right side
    637,176.81x = 321,078,265,827.01
  5. Step 5: Solve for x
    x = 321,078,265,827.01/637,176.81
  6. Step 6: Final answer
    x = 503,907.65

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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.