Home / 755,530.02-1,127,767.32-665,852.09

Finding the Fourth Proportional to 755,530.02, 1,127,767.32 and 665,852.09

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Solution

The fourth proportional to 755,530.02, 1,127,767.32 and 665,852.09 is: 993,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,530.02 : 1,127,767.32 = 665,852.09 : x
  2. Step 2: Convert to fraction form
    755,530.02/1,127,767.32 = 665,852.09/x
  3. Step 3: Cross multiply
    755,530.02x = 1,127,767.32 × 665,852.09
  4. Step 4: Simplify right side
    755,530.02x = 750,926,221,416.86
  5. Step 5: Solve for x
    x = 750,926,221,416.86/755,530.02
  6. Step 6: Final answer
    x = 993,906.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.