Home / 1,753,391.80-2,630,174.10-913,583.80

Finding the Fourth Proportional to 1,753,391.80, 2,630,174.10 and 913,583.80

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Solution

The fourth proportional to 1,753,391.80, 2,630,174.10 and 913,583.80 is: 1,370,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,391.80 : 2,630,174.10 = 913,583.80 : x
  2. Step 2: Convert to fraction form
    1,753,391.80/2,630,174.10 = 913,583.80/x
  3. Step 3: Cross multiply
    1,753,391.80x = 2,630,174.10 × 913,583.80
  4. Step 4: Simplify right side
    1,753,391.80x = 2,402,884,448,939.58
  5. Step 5: Solve for x
    x = 2,402,884,448,939.58/1,753,391.80
  6. Step 6: Final answer
    x = 1,370,420.72

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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.