Home / 751,693.88-1,037,488.29-445,940.01

Finding the Fourth Proportional to 751,693.88, 1,037,488.29 and 445,940.01

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Solution

The fourth proportional to 751,693.88, 1,037,488.29 and 445,940.01 is: 615,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,693.88 : 1,037,488.29 = 445,940.01 : x
  2. Step 2: Convert to fraction form
    751,693.88/1,037,488.29 = 445,940.01/x
  3. Step 3: Cross multiply
    751,693.88x = 1,037,488.29 × 445,940.01
  4. Step 4: Simplify right side
    751,693.88x = 462,657,531,000.34
  5. Step 5: Solve for x
    x = 462,657,531,000.34/751,693.88
  6. Step 6: Final answer
    x = 615,486.63

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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.