Home / 1,286,205.60-1,774,968.48-713,298.72

Finding the Fourth Proportional to 1,286,205.60, 1,774,968.48 and 713,298.72

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Solution

The fourth proportional to 1,286,205.60, 1,774,968.48 and 713,298.72 is: 984,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,205.60 : 1,774,968.48 = 713,298.72 : x
  2. Step 2: Convert to fraction form
    1,286,205.60/1,774,968.48 = 713,298.72/x
  3. Step 3: Cross multiply
    1,286,205.60x = 1,774,968.48 × 713,298.72
  4. Step 4: Simplify right side
    1,286,205.60x = 1,266,082,744,824.35
  5. Step 5: Solve for x
    x = 1,266,082,744,824.35/1,286,205.60
  6. Step 6: Final answer
    x = 984,354.87

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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.