Home / 1,173,323.70-1,619,186.67-636,779.70

Finding the Fourth Proportional to 1,173,323.70, 1,619,186.67 and 636,779.70

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Solution

The fourth proportional to 1,173,323.70, 1,619,186.67 and 636,779.70 is: 878,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,323.70 : 1,619,186.67 = 636,779.70 : x
  2. Step 2: Convert to fraction form
    1,173,323.70/1,619,186.67 = 636,779.70/x
  3. Step 3: Cross multiply
    1,173,323.70x = 1,619,186.67 × 636,779.70
  4. Step 4: Simplify right side
    1,173,323.70x = 1,031,065,201,966.60
  5. Step 5: Solve for x
    x = 1,031,065,201,966.60/1,173,323.70
  6. Step 6: Final answer
    x = 878,755.97

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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.