Home / 1,173,307.12-1,619,163.84-636,763.12

Finding the Fourth Proportional to 1,173,307.12, 1,619,163.84 and 636,763.12

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Solution

The fourth proportional to 1,173,307.12, 1,619,163.84 and 636,763.12 is: 878,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,307.12 : 1,619,163.84 = 636,763.12 : x
  2. Step 2: Convert to fraction form
    1,173,307.12/1,619,163.84 = 636,763.12/x
  3. Step 3: Cross multiply
    1,173,307.12x = 1,619,163.84 × 636,763.12
  4. Step 4: Simplify right side
    1,173,307.12x = 1,031,023,818,549.58
  5. Step 5: Solve for x
    x = 1,031,023,818,549.58/1,173,307.12
  6. Step 6: Final answer
    x = 878,733.11

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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.