Home / 1,666,913.43-2,300,710.59-1,013,400.59

Finding the Fourth Proportional to 1,666,913.43, 2,300,710.59 and 1,013,400.59

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Solution

The fourth proportional to 1,666,913.43, 2,300,710.59 and 1,013,400.59 is: 1,398,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,913.43 : 2,300,710.59 = 1,013,400.59 : x
  2. Step 2: Convert to fraction form
    1,666,913.43/2,300,710.59 = 1,013,400.59/x
  3. Step 3: Cross multiply
    1,666,913.43x = 2,300,710.59 × 1,013,400.59
  4. Step 4: Simplify right side
    1,666,913.43x = 2,331,541,463,778.86
  5. Step 5: Solve for x
    x = 2,331,541,463,778.86/1,666,913.43
  6. Step 6: Final answer
    x = 1,398,717.79

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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.