Home / 1,131,053.60-1,560,814.48-621,752.32

Finding the Fourth Proportional to 1,131,053.60, 1,560,814.48 and 621,752.32

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Solution

The fourth proportional to 1,131,053.60, 1,560,814.48 and 621,752.32 is: 857,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,053.60 : 1,560,814.48 = 621,752.32 : x
  2. Step 2: Convert to fraction form
    1,131,053.60/1,560,814.48 = 621,752.32/x
  3. Step 3: Cross multiply
    1,131,053.60x = 1,560,814.48 × 621,752.32
  4. Step 4: Simplify right side
    1,131,053.60x = 970,440,024,029.59
  5. Step 5: Solve for x
    x = 970,440,024,029.59/1,131,053.60
  6. Step 6: Final answer
    x = 857,996.49

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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.