Home / 698,869.62-964,136.52-444,084.12

Finding the Fourth Proportional to 698,869.62, 964,136.52 and 444,084.12

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Solution

The fourth proportional to 698,869.62, 964,136.52 and 444,084.12 is: 612,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,869.62 : 964,136.52 = 444,084.12 : x
  2. Step 2: Convert to fraction form
    698,869.62/964,136.52 = 444,084.12/x
  3. Step 3: Cross multiply
    698,869.62x = 964,136.52 × 444,084.12
  4. Step 4: Simplify right side
    698,869.62x = 428,157,718,044.06
  5. Step 5: Solve for x
    x = 428,157,718,044.06/698,869.62
  6. Step 6: Final answer
    x = 612,643.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.