Home / 708,680.22-977,184.18-579,216.89

Finding the Fourth Proportional to 708,680.22, 977,184.18 and 579,216.89

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Solution

The fourth proportional to 708,680.22, 977,184.18 and 579,216.89 is: 798,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,680.22 : 977,184.18 = 579,216.89 : x
  2. Step 2: Convert to fraction form
    708,680.22/977,184.18 = 579,216.89/x
  3. Step 3: Cross multiply
    708,680.22x = 977,184.18 × 579,216.89
  4. Step 4: Simplify right side
    708,680.22x = 566,001,576,810.88
  5. Step 5: Solve for x
    x = 566,001,576,810.88/708,680.22
  6. Step 6: Final answer
    x = 798,669.92

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Double scale
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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.