Home / 822,279.69-1,234,042.70-349,296.93

Finding the Fourth Proportional to 822,279.69, 1,234,042.70 and 349,296.93

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Solution

The fourth proportional to 822,279.69, 1,234,042.70 and 349,296.93 is: 524,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,279.69 : 1,234,042.70 = 349,296.93 : x
  2. Step 2: Convert to fraction form
    822,279.69/1,234,042.70 = 349,296.93/x
  3. Step 3: Cross multiply
    822,279.69x = 1,234,042.70 × 349,296.93
  4. Step 4: Simplify right side
    822,279.69x = 431,047,324,852.43
  5. Step 5: Solve for x
    x = 431,047,324,852.43/822,279.69
  6. Step 6: Final answer
    x = 524,210.11

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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.