Home / 579,406.50-868,096.31-402,026.22

Finding the Fourth Proportional to 579,406.50, 868,096.31 and 402,026.22

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Solution

The fourth proportional to 579,406.50, 868,096.31 and 402,026.22 is: 602,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,406.50 : 868,096.31 = 402,026.22 : x
  2. Step 2: Convert to fraction form
    579,406.50/868,096.31 = 402,026.22/x
  3. Step 3: Cross multiply
    579,406.50x = 868,096.31 × 402,026.22
  4. Step 4: Simplify right side
    579,406.50x = 348,997,476,095.12
  5. Step 5: Solve for x
    x = 348,997,476,095.12/579,406.50
  6. Step 6: Final answer
    x = 602,336.14

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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.