Home / 1,393,899.86-1,924,257.51-934,846.74

Finding the Fourth Proportional to 1,393,899.86, 1,924,257.51 and 934,846.74

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Solution

The fourth proportional to 1,393,899.86, 1,924,257.51 and 934,846.74 is: 1,290,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,899.86 : 1,924,257.51 = 934,846.74 : x
  2. Step 2: Convert to fraction form
    1,393,899.86/1,924,257.51 = 934,846.74/x
  3. Step 3: Cross multiply
    1,393,899.86x = 1,924,257.51 × 934,846.74
  4. Step 4: Simplify right side
    1,393,899.86x = 1,798,885,860,144.02
  5. Step 5: Solve for x
    x = 1,798,885,860,144.02/1,393,899.86
  6. Step 6: Final answer
    x = 1,290,541.68

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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.