Home / 1,173,312.48-1,619,170.80-636,768.48

Finding the Fourth Proportional to 1,173,312.48, 1,619,170.80 and 636,768.48

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Solution

The fourth proportional to 1,173,312.48, 1,619,170.80 and 636,768.48 is: 878,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,312.48 : 1,619,170.80 = 636,768.48 : x
  2. Step 2: Convert to fraction form
    1,173,312.48/1,619,170.80 = 636,768.48/x
  3. Step 3: Cross multiply
    1,173,312.48x = 1,619,170.80 × 636,768.48
  4. Step 4: Simplify right side
    1,173,312.48x = 1,031,036,929,176.38
  5. Step 5: Solve for x
    x = 1,031,036,929,176.38/1,173,312.48
  6. Step 6: Final answer
    x = 878,740.27

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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.