Home / 847,273.50-1,169,257.74-465,308.46

Finding the Fourth Proportional to 847,273.50, 1,169,257.74 and 465,308.46

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Solution

The fourth proportional to 847,273.50, 1,169,257.74 and 465,308.46 is: 642,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,273.50 : 1,169,257.74 = 465,308.46 : x
  2. Step 2: Convert to fraction form
    847,273.50/1,169,257.74 = 465,308.46/x
  3. Step 3: Cross multiply
    847,273.50x = 1,169,257.74 × 465,308.46
  4. Step 4: Simplify right side
    847,273.50x = 544,065,518,342.48
  5. Step 5: Solve for x
    x = 544,065,518,342.48/847,273.50
  6. Step 6: Final answer
    x = 642,136.83

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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.