Home / 708,682.22-977,186.94-579,218.89

Finding the Fourth Proportional to 708,682.22, 977,186.94 and 579,218.89

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Solution

The fourth proportional to 708,682.22, 977,186.94 and 579,218.89 is: 798,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,682.22 : 977,186.94 = 579,218.89 : x
  2. Step 2: Convert to fraction form
    708,682.22/977,186.94 = 579,218.89/x
  3. Step 3: Cross multiply
    708,682.22x = 977,186.94 × 579,218.89
  4. Step 4: Simplify right side
    708,682.22x = 566,005,134,709.30
  5. Step 5: Solve for x
    x = 566,005,134,709.30/708,682.22
  6. Step 6: Final answer
    x = 798,672.69

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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.