Home / 1,130,980-1,560,755.64-647,552.56

Finding the Fourth Proportional to 1,130,980, 1,560,755.64 and 647,552.56

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Solution

The fourth proportional to 1,130,980, 1,560,755.64 and 647,552.56 is: 893,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,980 : 1,560,755.64 = 647,552.56 : x
  2. Step 2: Convert to fraction form
    1,130,980/1,560,755.64 = 647,552.56/x
  3. Step 3: Cross multiply
    1,130,980x = 1,560,755.64 × 647,552.56
  4. Step 4: Simplify right side
    1,130,980x = 1,010,671,310,216.44
  5. Step 5: Solve for x
    x = 1,010,671,310,216.44/1,130,980
  6. Step 6: Final answer
    x = 893,624.39

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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.