Home / 626,220.80-938,561.40-288,793.04

Finding the Fourth Proportional to 626,220.80, 938,561.40 and 288,793.04

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Solution

The fourth proportional to 626,220.80, 938,561.40 and 288,793.04 is: 432,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,220.80 : 938,561.40 = 288,793.04 : x
  2. Step 2: Convert to fraction form
    626,220.80/938,561.40 = 288,793.04/x
  3. Step 3: Cross multiply
    626,220.80x = 938,561.40 × 288,793.04
  4. Step 4: Simplify right side
    626,220.80x = 271,049,999,932.66
  5. Step 5: Solve for x
    x = 271,049,999,932.66/626,220.80
  6. Step 6: Final answer
    x = 432,834.55

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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.