Home / 1,182,840-1,632,319.20-646,296

Finding the Fourth Proportional to 1,182,840, 1,632,319.20 and 646,296

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Solution

The fourth proportional to 1,182,840, 1,632,319.20 and 646,296 is: 891,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,840 : 1,632,319.20 = 646,296 : x
  2. Step 2: Convert to fraction form
    1,182,840/1,632,319.20 = 646,296/x
  3. Step 3: Cross multiply
    1,182,840x = 1,632,319.20 × 646,296
  4. Step 4: Simplify right side
    1,182,840x = 1,054,961,369,683.20
  5. Step 5: Solve for x
    x = 1,054,961,369,683.20/1,182,840
  6. Step 6: Final answer
    x = 891,888.48

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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.