Home / 1,281,568.02-1,768,493.22-708,570.40

Finding the Fourth Proportional to 1,281,568.02, 1,768,493.22 and 708,570.40

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Solution

The fourth proportional to 1,281,568.02, 1,768,493.22 and 708,570.40 is: 977,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,568.02 : 1,768,493.22 = 708,570.40 : x
  2. Step 2: Convert to fraction form
    1,281,568.02/1,768,493.22 = 708,570.40/x
  3. Step 3: Cross multiply
    1,281,568.02x = 1,768,493.22 × 708,570.40
  4. Step 4: Simplify right side
    1,281,568.02x = 1,253,101,948,292.69
  5. Step 5: Solve for x
    x = 1,253,101,948,292.69/1,281,568.02
  6. Step 6: Final answer
    x = 977,788.09

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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.