Home / 1,018,525.59-1,405,038.25-691,855.43

Finding the Fourth Proportional to 1,018,525.59, 1,405,038.25 and 691,855.43

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Solution

The fourth proportional to 1,018,525.59, 1,405,038.25 and 691,855.43 is: 954,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,525.59 : 1,405,038.25 = 691,855.43 : x
  2. Step 2: Convert to fraction form
    1,018,525.59/1,405,038.25 = 691,855.43/x
  3. Step 3: Cross multiply
    1,018,525.59x = 1,405,038.25 × 691,855.43
  4. Step 4: Simplify right side
    1,018,525.59x = 972,083,336,459.83
  5. Step 5: Solve for x
    x = 972,083,336,459.83/1,018,525.59
  6. Step 6: Final answer
    x = 954,402.47

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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.