Home / 752,573.44-1,128,821.12-191,573.76

Finding the Fourth Proportional to 752,573.44, 1,128,821.12 and 191,573.76

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Solution

The fourth proportional to 752,573.44, 1,128,821.12 and 191,573.76 is: 287,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,573.44 : 1,128,821.12 = 191,573.76 : x
  2. Step 2: Convert to fraction form
    752,573.44/1,128,821.12 = 191,573.76/x
  3. Step 3: Cross multiply
    752,573.44x = 1,128,821.12 × 191,573.76
  4. Step 4: Simplify right side
    752,573.44x = 216,252,506,325.81
  5. Step 5: Solve for x
    x = 216,252,506,325.81/752,573.44
  6. Step 6: Final answer
    x = 287,350.70

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Double scale
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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.