Home / 860,195.90-1,187,100.66-473,040.74

Finding the Fourth Proportional to 860,195.90, 1,187,100.66 and 473,040.74

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Solution

The fourth proportional to 860,195.90, 1,187,100.66 and 473,040.74 is: 652,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,195.90 : 1,187,100.66 = 473,040.74 : x
  2. Step 2: Convert to fraction form
    860,195.90/1,187,100.66 = 473,040.74/x
  3. Step 3: Cross multiply
    860,195.90x = 1,187,100.66 × 473,040.74
  4. Step 4: Simplify right side
    860,195.90x = 561,546,979,402.54
  5. Step 5: Solve for x
    x = 561,546,979,402.54/860,195.90
  6. Step 6: Final answer
    x = 652,812.90

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1.5x scale

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.