Home / 805,536.10-1,111,621.62-438,005.26

Finding the Fourth Proportional to 805,536.10, 1,111,621.62 and 438,005.26

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Solution

The fourth proportional to 805,536.10, 1,111,621.62 and 438,005.26 is: 604,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,536.10 : 1,111,621.62 = 438,005.26 : x
  2. Step 2: Convert to fraction form
    805,536.10/1,111,621.62 = 438,005.26/x
  3. Step 3: Cross multiply
    805,536.10x = 1,111,621.62 × 438,005.26
  4. Step 4: Simplify right side
    805,536.10x = 486,896,116,689.72
  5. Step 5: Solve for x
    x = 486,896,116,689.72/805,536.10
  6. Step 6: Final answer
    x = 604,437.36

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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.