Home / 1,137,979.68-1,570,457.12-654,544.32

Finding the Fourth Proportional to 1,137,979.68, 1,570,457.12 and 654,544.32

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Solution

The fourth proportional to 1,137,979.68, 1,570,457.12 and 654,544.32 is: 903,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,979.68 : 1,570,457.12 = 654,544.32 : x
  2. Step 2: Convert to fraction form
    1,137,979.68/1,570,457.12 = 654,544.32/x
  3. Step 3: Cross multiply
    1,137,979.68x = 1,570,457.12 × 654,544.32
  4. Step 4: Simplify right side
    1,137,979.68x = 1,027,933,787,699.56
  5. Step 5: Solve for x
    x = 1,027,933,787,699.56/1,137,979.68
  6. Step 6: Final answer
    x = 903,297.14

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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.