Home / 1,173,187.46-1,618,998.66-636,643.46

Finding the Fourth Proportional to 1,173,187.46, 1,618,998.66 and 636,643.46

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Solution

The fourth proportional to 1,173,187.46, 1,618,998.66 and 636,643.46 is: 878,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,187.46 : 1,618,998.66 = 636,643.46 : x
  2. Step 2: Convert to fraction form
    1,173,187.46/1,618,998.66 = 636,643.46/x
  3. Step 3: Cross multiply
    1,173,187.46x = 1,618,998.66 × 636,643.46
  4. Step 4: Simplify right side
    1,173,187.46x = 1,030,724,908,637.76
  5. Step 5: Solve for x
    x = 1,030,724,908,637.76/1,173,187.46
  6. Step 6: Final answer
    x = 878,567.96

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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.