Home / 808,636.03-1,116,276.38-522,295.76

Finding the Fourth Proportional to 808,636.03, 1,116,276.38 and 522,295.76

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Solution

The fourth proportional to 808,636.03, 1,116,276.38 and 522,295.76 is: 720,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,636.03 : 1,116,276.38 = 522,295.76 : x
  2. Step 2: Convert to fraction form
    808,636.03/1,116,276.38 = 522,295.76/x
  3. Step 3: Cross multiply
    808,636.03x = 1,116,276.38 × 522,295.76
  4. Step 4: Simplify right side
    808,636.03x = 583,026,420,262.15
  5. Step 5: Solve for x
    x = 583,026,420,262.15/808,636.03
  6. Step 6: Final answer
    x = 720,999.81

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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.