Home / 1,215,175.93-1,676,990.75-698,929.00

Finding the Fourth Proportional to 1,215,175.93, 1,676,990.75 and 698,929.00

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Solution

The fourth proportional to 1,215,175.93, 1,676,990.75 and 698,929.00 is: 964,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,175.93 : 1,676,990.75 = 698,929.00 : x
  2. Step 2: Convert to fraction form
    1,215,175.93/1,676,990.75 = 698,929.00/x
  3. Step 3: Cross multiply
    1,215,175.93x = 1,676,990.75 × 698,929.00
  4. Step 4: Simplify right side
    1,215,175.93x = 1,172,097,464,151.10
  5. Step 5: Solve for x
    x = 1,172,097,464,151.10/1,215,175.93
  6. Step 6: Final answer
    x = 964,549.61

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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.