Home / 1,532,683.60-2,115,168.60-853,620.10

Finding the Fourth Proportional to 1,532,683.60, 2,115,168.60 and 853,620.10

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Solution

The fourth proportional to 1,532,683.60, 2,115,168.60 and 853,620.10 is: 1,178,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,683.60 : 2,115,168.60 = 853,620.10 : x
  2. Step 2: Convert to fraction form
    1,532,683.60/2,115,168.60 = 853,620.10/x
  3. Step 3: Cross multiply
    1,532,683.60x = 2,115,168.60 × 853,620.10
  4. Step 4: Simplify right side
    1,532,683.60x = 1,805,550,431,848.86
  5. Step 5: Solve for x
    x = 1,805,550,431,848.86/1,532,683.60
  6. Step 6: Final answer
    x = 1,178,032.07

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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.