Home / 746,686.80-1,120,030.20-536,734.80

Finding the Fourth Proportional to 746,686.80, 1,120,030.20 and 536,734.80

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Solution

The fourth proportional to 746,686.80, 1,120,030.20 and 536,734.80 is: 805,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,686.80 : 1,120,030.20 = 536,734.80 : x
  2. Step 2: Convert to fraction form
    746,686.80/1,120,030.20 = 536,734.80/x
  3. Step 3: Cross multiply
    746,686.80x = 1,120,030.20 × 536,734.80
  4. Step 4: Simplify right side
    746,686.80x = 601,159,185,390.96
  5. Step 5: Solve for x
    x = 601,159,185,390.96/746,686.80
  6. Step 6: Final answer
    x = 805,102.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.