Home / 731,664.90-1,097,470.96-191,916.87

Finding the Fourth Proportional to 731,664.90, 1,097,470.96 and 191,916.87

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Solution

The fourth proportional to 731,664.90, 1,097,470.96 and 191,916.87 is: 287,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,664.90 : 1,097,470.96 = 191,916.87 : x
  2. Step 2: Convert to fraction form
    731,664.90/1,097,470.96 = 191,916.87/x
  3. Step 3: Cross multiply
    731,664.90x = 1,097,470.96 × 191,916.87
  4. Step 4: Simplify right side
    731,664.90x = 210,623,191,559.10
  5. Step 5: Solve for x
    x = 210,623,191,559.10/731,664.90
  6. Step 6: Final answer
    x = 287,868.38

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1.5x scale

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.