Home / 1,636,221.20-2,454,331.80-514,290.20

Finding the Fourth Proportional to 1,636,221.20, 2,454,331.80 and 514,290.20

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Solution

The fourth proportional to 1,636,221.20, 2,454,331.80 and 514,290.20 is: 771,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,221.20 : 2,454,331.80 = 514,290.20 : x
  2. Step 2: Convert to fraction form
    1,636,221.20/2,454,331.80 = 514,290.20/x
  3. Step 3: Cross multiply
    1,636,221.20x = 2,454,331.80 × 514,290.20
  4. Step 4: Simplify right side
    1,636,221.20x = 1,262,238,792,288.36
  5. Step 5: Solve for x
    x = 1,262,238,792,288.36/1,636,221.20
  6. Step 6: Final answer
    x = 771,435.30

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Double scale
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1.5x scale

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.