Home / 1,281,500.19-1,768,450.95-700,725.26

Finding the Fourth Proportional to 1,281,500.19, 1,768,450.95 and 700,725.26

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Solution

The fourth proportional to 1,281,500.19, 1,768,450.95 and 700,725.26 is: 966,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,500.19 : 1,768,450.95 = 700,725.26 : x
  2. Step 2: Convert to fraction form
    1,281,500.19/1,768,450.95 = 700,725.26/x
  3. Step 3: Cross multiply
    1,281,500.19x = 1,768,450.95 × 700,725.26
  4. Step 4: Simplify right side
    1,281,500.19x = 1,239,198,256,157.12
  5. Step 5: Solve for x
    x = 1,239,198,256,157.12/1,281,500.19
  6. Step 6: Final answer
    x = 966,990.30

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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.