Home / 805,636.03-1,111,752.26-443,058.77

Finding the Fourth Proportional to 805,636.03, 1,111,752.26 and 443,058.77

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Solution

The fourth proportional to 805,636.03, 1,111,752.26 and 443,058.77 is: 611,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,636.03 : 1,111,752.26 = 443,058.77 : x
  2. Step 2: Convert to fraction form
    805,636.03/1,111,752.26 = 443,058.77/x
  3. Step 3: Cross multiply
    805,636.03x = 1,111,752.26 × 443,058.77
  4. Step 4: Simplify right side
    805,636.03x = 492,571,584,409.21
  5. Step 5: Solve for x
    x = 492,571,584,409.21/805,636.03
  6. Step 6: Final answer
    x = 611,407.10

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Double scale
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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.