Home / 883,851.75-1,219,658.01-521,192.48

Finding the Fourth Proportional to 883,851.75, 1,219,658.01 and 521,192.48

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Solution

The fourth proportional to 883,851.75, 1,219,658.01 and 521,192.48 is: 719,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,851.75 : 1,219,658.01 = 521,192.48 : x
  2. Step 2: Convert to fraction form
    883,851.75/1,219,658.01 = 521,192.48/x
  3. Step 3: Cross multiply
    883,851.75x = 1,219,658.01 × 521,192.48
  4. Step 4: Simplify right side
    883,851.75x = 635,676,574,931.00
  5. Step 5: Solve for x
    x = 635,676,574,931.00/883,851.75
  6. Step 6: Final answer
    x = 719,211.76

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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.