Home / 1,186,084.59-1,636,731.90-695,988.12

Finding the Fourth Proportional to 1,186,084.59, 1,636,731.90 and 695,988.12

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Solution

The fourth proportional to 1,186,084.59, 1,636,731.90 and 695,988.12 is: 960,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,084.59 : 1,636,731.90 = 695,988.12 : x
  2. Step 2: Convert to fraction form
    1,186,084.59/1,636,731.90 = 695,988.12/x
  3. Step 3: Cross multiply
    1,186,084.59x = 1,636,731.90 × 695,988.12
  4. Step 4: Simplify right side
    1,186,084.59x = 1,139,145,958,025.03
  5. Step 5: Solve for x
    x = 1,139,145,958,025.03/1,186,084.59
  6. Step 6: Final answer
    x = 960,425.56

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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.