Home / 1,166,959.20-1,610,401.20-630,415.20

Finding the Fourth Proportional to 1,166,959.20, 1,610,401.20 and 630,415.20

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Solution

The fourth proportional to 1,166,959.20, 1,610,401.20 and 630,415.20 is: 869,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,959.20 : 1,610,401.20 = 630,415.20 : x
  2. Step 2: Convert to fraction form
    1,166,959.20/1,610,401.20 = 630,415.20/x
  3. Step 3: Cross multiply
    1,166,959.20x = 1,610,401.20 × 630,415.20
  4. Step 4: Simplify right side
    1,166,959.20x = 1,015,221,394,578.24
  5. Step 5: Solve for x
    x = 1,015,221,394,578.24/1,166,959.20
  6. Step 6: Final answer
    x = 869,971.63

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1.5x scale

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.