Home / 822,498.17-1,233,218.70-343,056.74

Finding the Fourth Proportional to 822,498.17, 1,233,218.70 and 343,056.74

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Solution

The fourth proportional to 822,498.17, 1,233,218.70 and 343,056.74 is: 514,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,498.17 : 1,233,218.70 = 343,056.74 : x
  2. Step 2: Convert to fraction form
    822,498.17/1,233,218.70 = 343,056.74/x
  3. Step 3: Cross multiply
    822,498.17x = 1,233,218.70 × 343,056.74
  4. Step 4: Simplify right side
    822,498.17x = 423,063,980,762.94
  5. Step 5: Solve for x
    x = 423,063,980,762.94/822,498.17
  6. Step 6: Final answer
    x = 514,364.65

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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.