Home / 679,942.11-1,017,397.47-410,226.69

Finding the Fourth Proportional to 679,942.11, 1,017,397.47 and 410,226.69

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Solution

The fourth proportional to 679,942.11, 1,017,397.47 and 410,226.69 is: 613,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,942.11 : 1,017,397.47 = 410,226.69 : x
  2. Step 2: Convert to fraction form
    679,942.11/1,017,397.47 = 410,226.69/x
  3. Step 3: Cross multiply
    679,942.11x = 1,017,397.47 × 410,226.69
  4. Step 4: Simplify right side
    679,942.11x = 417,363,596,532.47
  5. Step 5: Solve for x
    x = 417,363,596,532.47/679,942.11
  6. Step 6: Final answer
    x = 613,822.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.