Home / 1,205,508.29-1,807,004.84-406,515.11

Finding the Fourth Proportional to 1,205,508.29, 1,807,004.84 and 406,515.11

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Solution

The fourth proportional to 1,205,508.29, 1,807,004.84 and 406,515.11 is: 609,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,508.29 : 1,807,004.84 = 406,515.11 : x
  2. Step 2: Convert to fraction form
    1,205,508.29/1,807,004.84 = 406,515.11/x
  3. Step 3: Cross multiply
    1,205,508.29x = 1,807,004.84 × 406,515.11
  4. Step 4: Simplify right side
    1,205,508.29x = 734,574,760,235.53
  5. Step 5: Solve for x
    x = 734,574,760,235.53/1,205,508.29
  6. Step 6: Final answer
    x = 609,348.58

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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.