Home / 1,263,558-1,743,706.80-690,602.08

Finding the Fourth Proportional to 1,263,558, 1,743,706.80 and 690,602.08

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Solution

The fourth proportional to 1,263,558, 1,743,706.80 and 690,602.08 is: 953,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,558 : 1,743,706.80 = 690,602.08 : x
  2. Step 2: Convert to fraction form
    1,263,558/1,743,706.80 = 690,602.08/x
  3. Step 3: Cross multiply
    1,263,558x = 1,743,706.80 × 690,602.08
  4. Step 4: Simplify right side
    1,263,558x = 1,204,207,542,990.14
  5. Step 5: Solve for x
    x = 1,204,207,542,990.14/1,263,558
  6. Step 6: Final answer
    x = 953,029.10

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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.