Home / 849,120.21-1,171,299.29-530,615.25

Finding the Fourth Proportional to 849,120.21, 1,171,299.29 and 530,615.25

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Solution

The fourth proportional to 849,120.21, 1,171,299.29 and 530,615.25 is: 731,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,120.21 : 1,171,299.29 = 530,615.25 : x
  2. Step 2: Convert to fraction form
    849,120.21/1,171,299.29 = 530,615.25/x
  3. Step 3: Cross multiply
    849,120.21x = 1,171,299.29 × 530,615.25
  4. Step 4: Simplify right side
    849,120.21x = 621,509,262,935.10
  5. Step 5: Solve for x
    x = 621,509,262,935.10/849,120.21
  6. Step 6: Final answer
    x = 731,944.97

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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.