Home / 694,646.80-1,039,205.40-602,179.60

Finding the Fourth Proportional to 694,646.80, 1,039,205.40 and 602,179.60

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Solution

The fourth proportional to 694,646.80, 1,039,205.40 and 602,179.60 is: 900,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,646.80 : 1,039,205.40 = 602,179.60 : x
  2. Step 2: Convert to fraction form
    694,646.80/1,039,205.40 = 602,179.60/x
  3. Step 3: Cross multiply
    694,646.80x = 1,039,205.40 × 602,179.60
  4. Step 4: Simplify right side
    694,646.80x = 625,788,292,089.84
  5. Step 5: Solve for x
    x = 625,788,292,089.84/694,646.80
  6. Step 6: Final answer
    x = 900,872.63

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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.