Home / 1,393,143.71-2,089,360.04-433,411.56

Finding the Fourth Proportional to 1,393,143.71, 2,089,360.04 and 433,411.56

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Solution

The fourth proportional to 1,393,143.71, 2,089,360.04 and 433,411.56 is: 650,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,143.71 : 2,089,360.04 = 433,411.56 : x
  2. Step 2: Convert to fraction form
    1,393,143.71/2,089,360.04 = 433,411.56/x
  3. Step 3: Cross multiply
    1,393,143.71x = 2,089,360.04 × 433,411.56
  4. Step 4: Simplify right side
    1,393,143.71x = 905,552,792,171.01
  5. Step 5: Solve for x
    x = 905,552,792,171.01/1,393,143.71
  6. Step 6: Final answer
    x = 650,006.74

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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.