Home / 1,016,808.39-1,403,148.51-557,911.53

Finding the Fourth Proportional to 1,016,808.39, 1,403,148.51 and 557,911.53

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Solution

The fourth proportional to 1,016,808.39, 1,403,148.51 and 557,911.53 is: 769,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,808.39 : 1,403,148.51 = 557,911.53 : x
  2. Step 2: Convert to fraction form
    1,016,808.39/1,403,148.51 = 557,911.53/x
  3. Step 3: Cross multiply
    1,016,808.39x = 1,403,148.51 × 557,911.53
  4. Step 4: Simplify right side
    1,016,808.39x = 782,832,732,031.32
  5. Step 5: Solve for x
    x = 782,832,732,031.32/1,016,808.39
  6. Step 6: Final answer
    x = 769,892.09

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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.