Home / 1,292,218.52-1,783,320.18-719,295.26

Finding the Fourth Proportional to 1,292,218.52, 1,783,320.18 and 719,295.26

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Solution

The fourth proportional to 1,292,218.52, 1,783,320.18 and 719,295.26 is: 992,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,218.52 : 1,783,320.18 = 719,295.26 : x
  2. Step 2: Convert to fraction form
    1,292,218.52/1,783,320.18 = 719,295.26/x
  3. Step 3: Cross multiply
    1,292,218.52x = 1,783,320.18 × 719,295.26
  4. Step 4: Simplify right side
    1,292,218.52x = 1,282,733,752,536.35
  5. Step 5: Solve for x
    x = 1,282,733,752,536.35/1,292,218.52
  6. Step 6: Final answer
    x = 992,660.09

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1.5x scale

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.