Home / 751,875.43-1,037,128.48-445,746.73

Finding the Fourth Proportional to 751,875.43, 1,037,128.48 and 445,746.73

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Solution

The fourth proportional to 751,875.43, 1,037,128.48 and 445,746.73 is: 614,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,875.43 : 1,037,128.48 = 445,746.73 : x
  2. Step 2: Convert to fraction form
    751,875.43/1,037,128.48 = 445,746.73/x
  3. Step 3: Cross multiply
    751,875.43x = 1,037,128.48 × 445,746.73
  4. Step 4: Simplify right side
    751,875.43x = 462,296,628,549.87
  5. Step 5: Solve for x
    x = 462,296,628,549.87/751,875.43
  6. Step 6: Final answer
    x = 614,858.01

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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.