Home / 911,516.36-1,257,966.18-503,653.91

Finding the Fourth Proportional to 911,516.36, 1,257,966.18 and 503,653.91

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Solution

The fourth proportional to 911,516.36, 1,257,966.18 and 503,653.91 is: 695,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,516.36 : 1,257,966.18 = 503,653.91 : x
  2. Step 2: Convert to fraction form
    911,516.36/1,257,966.18 = 503,653.91/x
  3. Step 3: Cross multiply
    911,516.36x = 1,257,966.18 × 503,653.91
  4. Step 4: Simplify right side
    911,516.36x = 633,579,578,914.93
  5. Step 5: Solve for x
    x = 633,579,578,914.93/911,516.36
  6. Step 6: Final answer
    x = 695,083.06

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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.