Home / 1,386,580.27-2,089,334.84-1,139,397.93

Finding the Fourth Proportional to 1,386,580.27, 2,089,334.84 and 1,139,397.93

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Solution

The fourth proportional to 1,386,580.27, 2,089,334.84 and 1,139,397.93 is: 1,716,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,580.27 : 2,089,334.84 = 1,139,397.93 : x
  2. Step 2: Convert to fraction form
    1,386,580.27/2,089,334.84 = 1,139,397.93/x
  3. Step 3: Cross multiply
    1,386,580.27x = 2,089,334.84 × 1,139,397.93
  4. Step 4: Simplify right side
    1,386,580.27x = 2,380,583,782,276.80
  5. Step 5: Solve for x
    x = 2,380,583,782,276.80/1,386,580.27
  6. Step 6: Final answer
    x = 1,716,874.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.