Home / 863,761.65-1,293,772.59-626,581.50

Finding the Fourth Proportional to 863,761.65, 1,293,772.59 and 626,581.50

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Solution

The fourth proportional to 863,761.65, 1,293,772.59 and 626,581.50 is: 938,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,761.65 : 1,293,772.59 = 626,581.50 : x
  2. Step 2: Convert to fraction form
    863,761.65/1,293,772.59 = 626,581.50/x
  3. Step 3: Cross multiply
    863,761.65x = 1,293,772.59 × 626,581.50
  4. Step 4: Simplify right side
    863,761.65x = 810,653,970,101.09
  5. Step 5: Solve for x
    x = 810,653,970,101.09/863,761.65
  6. Step 6: Final answer
    x = 938,515.82

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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.