Home / 1,117,198.86-1,675,582.02-434,084.55

Finding the Fourth Proportional to 1,117,198.86, 1,675,582.02 and 434,084.55

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Solution

The fourth proportional to 1,117,198.86, 1,675,582.02 and 434,084.55 is: 651,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,198.86 : 1,675,582.02 = 434,084.55 : x
  2. Step 2: Convert to fraction form
    1,117,198.86/1,675,582.02 = 434,084.55/x
  3. Step 3: Cross multiply
    1,117,198.86x = 1,675,582.02 × 434,084.55
  4. Step 4: Simplify right side
    1,117,198.86x = 727,344,267,139.79
  5. Step 5: Solve for x
    x = 727,344,267,139.79/1,117,198.86
  6. Step 6: Final answer
    x = 651,042.79

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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.