Home / 1,681,685-2,521,027.58-616,478.38

Finding the Fourth Proportional to 1,681,685, 2,521,027.58 and 616,478.38

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Solution

The fourth proportional to 1,681,685, 2,521,027.58 and 616,478.38 is: 924,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,685 : 2,521,027.58 = 616,478.38 : x
  2. Step 2: Convert to fraction form
    1,681,685/2,521,027.58 = 616,478.38/x
  3. Step 3: Cross multiply
    1,681,685x = 2,521,027.58 × 616,478.38
  4. Step 4: Simplify right side
    1,681,685x = 1,554,158,998,453.72
  5. Step 5: Solve for x
    x = 1,554,158,998,453.72/1,681,685
  6. Step 6: Final answer
    x = 924,167.72

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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.