Home / 662,323.95-914,149.49-404,145.59

Finding the Fourth Proportional to 662,323.95, 914,149.49 and 404,145.59

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Solution

The fourth proportional to 662,323.95, 914,149.49 and 404,145.59 is: 557,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,323.95 : 914,149.49 = 404,145.59 : x
  2. Step 2: Convert to fraction form
    662,323.95/914,149.49 = 404,145.59/x
  3. Step 3: Cross multiply
    662,323.95x = 914,149.49 × 404,145.59
  4. Step 4: Simplify right side
    662,323.95x = 369,449,478,392.77
  5. Step 5: Solve for x
    x = 369,449,478,392.77/662,323.95
  6. Step 6: Final answer
    x = 557,807.82

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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.