Home / 662,623.22-914,395.82-404,931.49

Finding the Fourth Proportional to 662,623.22, 914,395.82 and 404,931.49

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Solution

The fourth proportional to 662,623.22, 914,395.82 and 404,931.49 is: 558,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,623.22 : 914,395.82 = 404,931.49 : x
  2. Step 2: Convert to fraction form
    662,623.22/914,395.82 = 404,931.49/x
  3. Step 3: Cross multiply
    662,623.22x = 914,395.82 × 404,931.49
  4. Step 4: Simplify right side
    662,623.22x = 370,267,659,809.46
  5. Step 5: Solve for x
    x = 370,267,659,809.46/662,623.22
  6. Step 6: Final answer
    x = 558,790.65

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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.