Home / 923,608.40-1,385,412.60-867,621.20

Finding the Fourth Proportional to 923,608.40, 1,385,412.60 and 867,621.20

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Solution

The fourth proportional to 923,608.40, 1,385,412.60 and 867,621.20 is: 1,301,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,608.40 : 1,385,412.60 = 867,621.20 : x
  2. Step 2: Convert to fraction form
    923,608.40/1,385,412.60 = 867,621.20/x
  3. Step 3: Cross multiply
    923,608.40x = 1,385,412.60 × 867,621.20
  4. Step 4: Simplify right side
    923,608.40x = 1,202,013,342,507.12
  5. Step 5: Solve for x
    x = 1,202,013,342,507.12/923,608.40
  6. Step 6: Final answer
    x = 1,301,431.80

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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.