Home / 1,277,714.32-1,916,156.80-424,556.84

Finding the Fourth Proportional to 1,277,714.32, 1,916,156.80 and 424,556.84

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Solution

The fourth proportional to 1,277,714.32, 1,916,156.80 and 424,556.84 is: 636,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,714.32 : 1,916,156.80 = 424,556.84 : x
  2. Step 2: Convert to fraction form
    1,277,714.32/1,916,156.80 = 424,556.84/x
  3. Step 3: Cross multiply
    1,277,714.32x = 1,916,156.80 × 424,556.84
  4. Step 4: Simplify right side
    1,277,714.32x = 813,517,475,952.51
  5. Step 5: Solve for x
    x = 813,517,475,952.51/1,277,714.32
  6. Step 6: Final answer
    x = 636,697.47

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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.