Home / 626,570.91-938,592.14-289,142.73

Finding the Fourth Proportional to 626,570.91, 938,592.14 and 289,142.73

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Solution

The fourth proportional to 626,570.91, 938,592.14 and 289,142.73 is: 433,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,570.91 : 938,592.14 = 289,142.73 : x
  2. Step 2: Convert to fraction form
    626,570.91/938,592.14 = 289,142.73/x
  3. Step 3: Cross multiply
    626,570.91x = 938,592.14 × 289,142.73
  4. Step 4: Simplify right side
    626,570.91x = 271,387,092,270.43
  5. Step 5: Solve for x
    x = 271,387,092,270.43/626,570.91
  6. Step 6: Final answer
    x = 433,130.69

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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.