Home / 1,044,185.80-1,566,278.70-778,465.30

Finding the Fourth Proportional to 1,044,185.80, 1,566,278.70 and 778,465.30

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Solution

The fourth proportional to 1,044,185.80, 1,566,278.70 and 778,465.30 is: 1,167,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,185.80 : 1,566,278.70 = 778,465.30 : x
  2. Step 2: Convert to fraction form
    1,044,185.80/1,566,278.70 = 778,465.30/x
  3. Step 3: Cross multiply
    1,044,185.80x = 1,566,278.70 × 778,465.30
  4. Step 4: Simplify right side
    1,044,185.80x = 1,219,293,618,079.11
  5. Step 5: Solve for x
    x = 1,219,293,618,079.11/1,044,185.80
  6. Step 6: Final answer
    x = 1,167,697.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.