Home / 941,878.48-1,299,799.06-512,155.53

Finding the Fourth Proportional to 941,878.48, 1,299,799.06 and 512,155.53

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Solution

The fourth proportional to 941,878.48, 1,299,799.06 and 512,155.53 is: 706,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,878.48 : 1,299,799.06 = 512,155.53 : x
  2. Step 2: Convert to fraction form
    941,878.48/1,299,799.06 = 512,155.53/x
  3. Step 3: Cross multiply
    941,878.48x = 1,299,799.06 × 512,155.53
  4. Step 4: Simplify right side
    941,878.48x = 665,699,276,467.80
  5. Step 5: Solve for x
    x = 665,699,276,467.80/941,878.48
  6. Step 6: Final answer
    x = 706,778.31

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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.