Home / 1,186,116.36-1,636,957.80-676,895.28

Finding the Fourth Proportional to 1,186,116.36, 1,636,957.80 and 676,895.28

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Solution

The fourth proportional to 1,186,116.36, 1,636,957.80 and 676,895.28 is: 934,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,116.36 : 1,636,957.80 = 676,895.28 : x
  2. Step 2: Convert to fraction form
    1,186,116.36/1,636,957.80 = 676,895.28/x
  3. Step 3: Cross multiply
    1,186,116.36x = 1,636,957.80 × 676,895.28
  4. Step 4: Simplify right side
    1,186,116.36x = 1,108,049,008,379.18
  5. Step 5: Solve for x
    x = 1,108,049,008,379.18/1,186,116.36
  6. Step 6: Final answer
    x = 934,182.38

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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.