Home / 1,916,566.98-2,874,228.48-636,830.76

Finding the Fourth Proportional to 1,916,566.98, 2,874,228.48 and 636,830.76

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Solution

The fourth proportional to 1,916,566.98, 2,874,228.48 and 636,830.76 is: 955,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,566.98 : 2,874,228.48 = 636,830.76 : x
  2. Step 2: Convert to fraction form
    1,916,566.98/2,874,228.48 = 636,830.76/x
  3. Step 3: Cross multiply
    1,916,566.98x = 2,874,228.48 × 636,830.76
  4. Step 4: Simplify right side
    1,916,566.98x = 1,830,397,107,332.05
  5. Step 5: Solve for x
    x = 1,830,397,107,332.05/1,916,566.98
  6. Step 6: Final answer
    x = 955,039.47

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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.