Home / 916,194.02-1,374,290.12-627,721.42

Finding the Fourth Proportional to 916,194.02, 1,374,290.12 and 627,721.42

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Solution

The fourth proportional to 916,194.02, 1,374,290.12 and 627,721.42 is: 941,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,194.02 : 1,374,290.12 = 627,721.42 : x
  2. Step 2: Convert to fraction form
    916,194.02/1,374,290.12 = 627,721.42/x
  3. Step 3: Cross multiply
    916,194.02x = 1,374,290.12 × 627,721.42
  4. Step 4: Simplify right side
    916,194.02x = 862,671,345,618.37
  5. Step 5: Solve for x
    x = 862,671,345,618.37/916,194.02
  6. Step 6: Final answer
    x = 941,581.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.