Home / 1,086,455.16-1,631,282.51-607,621.11

Finding the Fourth Proportional to 1,086,455.16, 1,631,282.51 and 607,621.11

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Solution

The fourth proportional to 1,086,455.16, 1,631,282.51 and 607,621.11 is: 912,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,455.16 : 1,631,282.51 = 607,621.11 : x
  2. Step 2: Convert to fraction form
    1,086,455.16/1,631,282.51 = 607,621.11/x
  3. Step 3: Cross multiply
    1,086,455.16x = 1,631,282.51 × 607,621.11
  4. Step 4: Simplify right side
    1,086,455.16x = 991,201,689,449.79
  5. Step 5: Solve for x
    x = 991,201,689,449.79/1,086,455.16
  6. Step 6: Final answer
    x = 912,326.37

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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.