Home / 705,545.03-973,115.67-488,115.47

Finding the Fourth Proportional to 705,545.03, 973,115.67 and 488,115.47

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Solution

The fourth proportional to 705,545.03, 973,115.67 and 488,115.47 is: 673,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,545.03 : 973,115.67 = 488,115.47 : x
  2. Step 2: Convert to fraction form
    705,545.03/973,115.67 = 488,115.47/x
  3. Step 3: Cross multiply
    705,545.03x = 973,115.67 × 488,115.47
  4. Step 4: Simplify right side
    705,545.03x = 474,992,811,415.86
  5. Step 5: Solve for x
    x = 474,992,811,415.86/705,545.03
  6. Step 6: Final answer
    x = 673,228.20

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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.