Home / 1,696,815.52-2,342,110.20-972,145.78

Finding the Fourth Proportional to 1,696,815.52, 2,342,110.20 and 972,145.78

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Solution

The fourth proportional to 1,696,815.52, 2,342,110.20 and 972,145.78 is: 1,341,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,815.52 : 2,342,110.20 = 972,145.78 : x
  2. Step 2: Convert to fraction form
    1,696,815.52/2,342,110.20 = 972,145.78/x
  3. Step 3: Cross multiply
    1,696,815.52x = 2,342,110.20 × 972,145.78
  4. Step 4: Simplify right side
    1,696,815.52x = 2,276,872,547,224.96
  5. Step 5: Solve for x
    x = 2,276,872,547,224.96/1,696,815.52
  6. Step 6: Final answer
    x = 1,341,850.38

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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.