Home / 805,629.57-1,111,746.63-443,053.32

Finding the Fourth Proportional to 805,629.57, 1,111,746.63 and 443,053.32

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Solution

The fourth proportional to 805,629.57, 1,111,746.63 and 443,053.32 is: 611,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,629.57 : 1,111,746.63 = 443,053.32 : x
  2. Step 2: Convert to fraction form
    805,629.57/1,111,746.63 = 443,053.32/x
  3. Step 3: Cross multiply
    805,629.57x = 1,111,746.63 × 443,053.32
  4. Step 4: Simplify right side
    805,629.57x = 492,563,035,420.31
  5. Step 5: Solve for x
    x = 492,563,035,420.31/805,629.57
  6. Step 6: Final answer
    x = 611,401.39

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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.