Home / 1,457,003.19-2,185,336.67-391,961.55

Finding the Fourth Proportional to 1,457,003.19, 2,185,336.67 and 391,961.55

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Solution

The fourth proportional to 1,457,003.19, 2,185,336.67 and 391,961.55 is: 587,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,003.19 : 2,185,336.67 = 391,961.55 : x
  2. Step 2: Convert to fraction form
    1,457,003.19/2,185,336.67 = 391,961.55/x
  3. Step 3: Cross multiply
    1,457,003.19x = 2,185,336.67 × 391,961.55
  4. Step 4: Simplify right side
    1,457,003.19x = 856,567,946,485.23
  5. Step 5: Solve for x
    x = 856,567,946,485.23/1,457,003.19
  6. Step 6: Final answer
    x = 587,897.10

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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.