Home / 1,636,218.70-2,454,328.05-514,287.70

Finding the Fourth Proportional to 1,636,218.70, 2,454,328.05 and 514,287.70

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Solution

The fourth proportional to 1,636,218.70, 2,454,328.05 and 514,287.70 is: 771,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,218.70 : 2,454,328.05 = 514,287.70 : x
  2. Step 2: Convert to fraction form
    1,636,218.70/2,454,328.05 = 514,287.70/x
  3. Step 3: Cross multiply
    1,636,218.70x = 2,454,328.05 × 514,287.70
  4. Step 4: Simplify right side
    1,636,218.70x = 1,262,230,727,879.98
  5. Step 5: Solve for x
    x = 1,262,230,727,879.98/1,636,218.70
  6. Step 6: Final answer
    x = 771,431.55

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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.