Home / 662,101.17-913,577.58-403,918.53

Finding the Fourth Proportional to 662,101.17, 913,577.58 and 403,918.53

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Solution

The fourth proportional to 662,101.17, 913,577.58 and 403,918.53 is: 557,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,101.17 : 913,577.58 = 403,918.53 : x
  2. Step 2: Convert to fraction form
    662,101.17/913,577.58 = 403,918.53/x
  3. Step 3: Cross multiply
    662,101.17x = 913,577.58 × 403,918.53
  4. Step 4: Simplify right side
    662,101.17x = 369,010,913,154.56
  5. Step 5: Solve for x
    x = 369,010,913,154.56/662,101.17
  6. Step 6: Final answer
    x = 557,333.12

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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.