Home / 942,905.16-1,301,205.24-513,185.22

Finding the Fourth Proportional to 942,905.16, 1,301,205.24 and 513,185.22

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Solution

The fourth proportional to 942,905.16, 1,301,205.24 and 513,185.22 is: 708,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,905.16 : 1,301,205.24 = 513,185.22 : x
  2. Step 2: Convert to fraction form
    942,905.16/1,301,205.24 = 513,185.22/x
  3. Step 3: Cross multiply
    942,905.16x = 1,301,205.24 × 513,185.22
  4. Step 4: Simplify right side
    942,905.16x = 667,759,297,354.55
  5. Step 5: Solve for x
    x = 667,759,297,354.55/942,905.16
  6. Step 6: Final answer
    x = 708,193.49

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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.