Home / 1,059,520.78-1,462,679.60-717,165.98

Finding the Fourth Proportional to 1,059,520.78, 1,462,679.60 and 717,165.98

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Solution

The fourth proportional to 1,059,520.78, 1,462,679.60 and 717,165.98 is: 990,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,520.78 : 1,462,679.60 = 717,165.98 : x
  2. Step 2: Convert to fraction form
    1,059,520.78/1,462,679.60 = 717,165.98/x
  3. Step 3: Cross multiply
    1,059,520.78x = 1,462,679.60 × 717,165.98
  4. Step 4: Simplify right side
    1,059,520.78x = 1,048,984,045,174.18
  5. Step 5: Solve for x
    x = 1,048,984,045,174.18/1,059,520.78
  6. Step 6: Final answer
    x = 990,055.19

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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.