Home / 1,105,650.56-1,526,006.40-692,379.20

Finding the Fourth Proportional to 1,105,650.56, 1,526,006.40 and 692,379.20

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Solution

The fourth proportional to 1,105,650.56, 1,526,006.40 and 692,379.20 is: 955,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,650.56 : 1,526,006.40 = 692,379.20 : x
  2. Step 2: Convert to fraction form
    1,105,650.56/1,526,006.40 = 692,379.20/x
  3. Step 3: Cross multiply
    1,105,650.56x = 1,526,006.40 × 692,379.20
  4. Step 4: Simplify right side
    1,105,650.56x = 1,056,575,090,426.88
  5. Step 5: Solve for x
    x = 1,056,575,090,426.88/1,105,650.56
  6. Step 6: Final answer
    x = 955,613.94

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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.