Home / 910,210.00-1,256,562.00-664,919.32

Finding the Fourth Proportional to 910,210.00, 1,256,562.00 and 664,919.32

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Solution

The fourth proportional to 910,210.00, 1,256,562.00 and 664,919.32 is: 917,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,210.00 : 1,256,562.00 = 664,919.32 : x
  2. Step 2: Convert to fraction form
    910,210.00/1,256,562.00 = 664,919.32/x
  3. Step 3: Cross multiply
    910,210.00x = 1,256,562.00 × 664,919.32
  4. Step 4: Simplify right side
    910,210.00x = 835,512,349,655.10
  5. Step 5: Solve for x
    x = 835,512,349,655.10/910,210.00
  6. Step 6: Final answer
    x = 917,933.61

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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.