Home / 1,690,436.88-2,535,683.16-476,042.76

Finding the Fourth Proportional to 1,690,436.88, 2,535,683.16 and 476,042.76

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Solution

The fourth proportional to 1,690,436.88, 2,535,683.16 and 476,042.76 is: 714,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,436.88 : 2,535,683.16 = 476,042.76 : x
  2. Step 2: Convert to fraction form
    1,690,436.88/2,535,683.16 = 476,042.76/x
  3. Step 3: Cross multiply
    1,690,436.88x = 2,535,683.16 × 476,042.76
  4. Step 4: Simplify right side
    1,690,436.88x = 1,207,093,609,971.92
  5. Step 5: Solve for x
    x = 1,207,093,609,971.92/1,690,436.88
  6. Step 6: Final answer
    x = 714,071.98

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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.