Home / 1,393,900.86-1,924,258.89-934,847.74

Finding the Fourth Proportional to 1,393,900.86, 1,924,258.89 and 934,847.74

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Solution

The fourth proportional to 1,393,900.86, 1,924,258.89 and 934,847.74 is: 1,290,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,900.86 : 1,924,258.89 = 934,847.74 : x
  2. Step 2: Convert to fraction form
    1,393,900.86/1,924,258.89 = 934,847.74/x
  3. Step 3: Cross multiply
    1,393,900.86x = 1,924,258.89 × 934,847.74
  4. Step 4: Simplify right side
    1,393,900.86x = 1,798,889,074,491.41
  5. Step 5: Solve for x
    x = 1,798,889,074,491.41/1,393,900.86
  6. Step 6: Final answer
    x = 1,290,543.06

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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.