Home / 626,030.64-938,936.88-289,042.56

Finding the Fourth Proportional to 626,030.64, 938,936.88 and 289,042.56

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Solution

The fourth proportional to 626,030.64, 938,936.88 and 289,042.56 is: 433,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,030.64 : 938,936.88 = 289,042.56 : x
  2. Step 2: Convert to fraction form
    626,030.64/938,936.88 = 289,042.56/x
  3. Step 3: Cross multiply
    626,030.64x = 938,936.88 × 289,042.56
  4. Step 4: Simplify right side
    626,030.64x = 271,392,719,473.61
  5. Step 5: Solve for x
    x = 271,392,719,473.61/626,030.64
  6. Step 6: Final answer
    x = 433,513.48

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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.