Home / 982,907.02-1,355,891.43-676,451.35

Finding the Fourth Proportional to 982,907.02, 1,355,891.43 and 676,451.35

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Solution

The fourth proportional to 982,907.02, 1,355,891.43 and 676,451.35 is: 933,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,907.02 : 1,355,891.43 = 676,451.35 : x
  2. Step 2: Convert to fraction form
    982,907.02/1,355,891.43 = 676,451.35/x
  3. Step 3: Cross multiply
    982,907.02x = 1,355,891.43 × 676,451.35
  4. Step 4: Simplify right side
    982,907.02x = 917,194,588,276.93
  5. Step 5: Solve for x
    x = 917,194,588,276.93/982,907.02
  6. Step 6: Final answer
    x = 933,144.81

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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.