Home / 1,640,864.16-2,461,556.52-694,242

Finding the Fourth Proportional to 1,640,864.16, 2,461,556.52 and 694,242

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Solution

The fourth proportional to 1,640,864.16, 2,461,556.52 and 694,242 is: 1,041,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,864.16 : 2,461,556.52 = 694,242 : x
  2. Step 2: Convert to fraction form
    1,640,864.16/2,461,556.52 = 694,242/x
  3. Step 3: Cross multiply
    1,640,864.16x = 2,461,556.52 × 694,242
  4. Step 4: Simplify right side
    1,640,864.16x = 1,708,915,921,557.84
  5. Step 5: Solve for x
    x = 1,708,915,921,557.84/1,640,864.16
  6. Step 6: Final answer
    x = 1,041,473.12

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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.