Home / 621,915.57-933,070.59-222,547.50

Finding the Fourth Proportional to 621,915.57, 933,070.59 and 222,547.50

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Solution

The fourth proportional to 621,915.57, 933,070.59 and 222,547.50 is: 333,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,915.57 : 933,070.59 = 222,547.50 : x
  2. Step 2: Convert to fraction form
    621,915.57/933,070.59 = 222,547.50/x
  3. Step 3: Cross multiply
    621,915.57x = 933,070.59 × 222,547.50
  4. Step 4: Simplify right side
    621,915.57x = 207,652,527,128.03
  5. Step 5: Solve for x
    x = 207,652,527,128.03/621,915.57
  6. Step 6: Final answer
    x = 333,891.83

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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.