Home / 775,506.34-1,068,908.97-533,378.98

Finding the Fourth Proportional to 775,506.34, 1,068,908.97 and 533,378.98

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Solution

The fourth proportional to 775,506.34, 1,068,908.97 and 533,378.98 is: 735,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,506.34 : 1,068,908.97 = 533,378.98 : x
  2. Step 2: Convert to fraction form
    775,506.34/1,068,908.97 = 533,378.98/x
  3. Step 3: Cross multiply
    775,506.34x = 1,068,908.97 × 533,378.98
  4. Step 4: Simplify right side
    775,506.34x = 570,133,576,131.45
  5. Step 5: Solve for x
    x = 570,133,576,131.45/775,506.34
  6. Step 6: Final answer
    x = 735,175.91

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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.