Home / 863,100.41-1,191,588.95-767,342.21

Finding the Fourth Proportional to 863,100.41, 1,191,588.95 and 767,342.21

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Solution

The fourth proportional to 863,100.41, 1,191,588.95 and 767,342.21 is: 1,059,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,100.41 : 1,191,588.95 = 767,342.21 : x
  2. Step 2: Convert to fraction form
    863,100.41/1,191,588.95 = 767,342.21/x
  3. Step 3: Cross multiply
    863,100.41x = 1,191,588.95 × 767,342.21
  4. Step 4: Simplify right side
    863,100.41x = 914,356,494,264.99
  5. Step 5: Solve for x
    x = 914,356,494,264.99/863,100.41
  6. Step 6: Final answer
    x = 1,059,386.01

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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.