Home / 1,393,878.90-1,924,228.77-934,825.56

Finding the Fourth Proportional to 1,393,878.90, 1,924,228.77 and 934,825.56

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Solution

The fourth proportional to 1,393,878.90, 1,924,228.77 and 934,825.56 is: 1,290,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,878.90 : 1,924,228.77 = 934,825.56 : x
  2. Step 2: Convert to fraction form
    1,393,878.90/1,924,228.77 = 934,825.56/x
  3. Step 3: Cross multiply
    1,393,878.90x = 1,924,228.77 × 934,825.56
  4. Step 4: Simplify right side
    1,393,878.90x = 1,798,818,237,483.36
  5. Step 5: Solve for x
    x = 1,798,818,237,483.36/1,393,878.90
  6. Step 6: Final answer
    x = 1,290,512.57

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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.