Home / 1,037,581.77-1,431,619.05-629,674.50

Finding the Fourth Proportional to 1,037,581.77, 1,431,619.05 and 629,674.50

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Solution

The fourth proportional to 1,037,581.77, 1,431,619.05 and 629,674.50 is: 868,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,581.77 : 1,431,619.05 = 629,674.50 : x
  2. Step 2: Convert to fraction form
    1,037,581.77/1,431,619.05 = 629,674.50/x
  3. Step 3: Cross multiply
    1,037,581.77x = 1,431,619.05 × 629,674.50
  4. Step 4: Simplify right side
    1,037,581.77x = 901,454,009,499.23
  5. Step 5: Solve for x
    x = 901,454,009,499.23/1,037,581.77
  6. Step 6: Final answer
    x = 868,802.86

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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.