Home / 675,770.17-1,013,099.60-315,762.96

Finding the Fourth Proportional to 675,770.17, 1,013,099.60 and 315,762.96

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Solution

The fourth proportional to 675,770.17, 1,013,099.60 and 315,762.96 is: 473,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,770.17 : 1,013,099.60 = 315,762.96 : x
  2. Step 2: Convert to fraction form
    675,770.17/1,013,099.60 = 315,762.96/x
  3. Step 3: Cross multiply
    675,770.17x = 1,013,099.60 × 315,762.96
  4. Step 4: Simplify right side
    675,770.17x = 319,899,327,360.66
  5. Step 5: Solve for x
    x = 319,899,327,360.66/675,770.17
  6. Step 6: Final answer
    x = 473,384.80

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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.