Home / 740,301.48-1,021,574.70-418,077

Finding the Fourth Proportional to 740,301.48, 1,021,574.70 and 418,077

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Solution

The fourth proportional to 740,301.48, 1,021,574.70 and 418,077 is: 576,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,301.48 : 1,021,574.70 = 418,077 : x
  2. Step 2: Convert to fraction form
    740,301.48/1,021,574.70 = 418,077/x
  3. Step 3: Cross multiply
    740,301.48x = 1,021,574.70 × 418,077
  4. Step 4: Simplify right side
    740,301.48x = 427,096,885,851.90
  5. Step 5: Solve for x
    x = 427,096,885,851.90/740,301.48
  6. Step 6: Final answer
    x = 576,922.91

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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.