Home / 805,594.99-1,111,749.63-443,046.89

Finding the Fourth Proportional to 805,594.99, 1,111,749.63 and 443,046.89

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Solution

The fourth proportional to 805,594.99, 1,111,749.63 and 443,046.89 is: 611,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,594.99 : 1,111,749.63 = 443,046.89 : x
  2. Step 2: Convert to fraction form
    805,594.99/1,111,749.63 = 443,046.89/x
  3. Step 3: Cross multiply
    805,594.99x = 1,111,749.63 × 443,046.89
  4. Step 4: Simplify right side
    805,594.99x = 492,557,216,030.15
  5. Step 5: Solve for x
    x = 492,557,216,030.15/805,594.99
  6. Step 6: Final answer
    x = 611,420.41

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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.