Home / 918,229.37-1,266,921.20-536,036.54

Finding the Fourth Proportional to 918,229.37, 1,266,921.20 and 536,036.54

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Solution

The fourth proportional to 918,229.37, 1,266,921.20 and 536,036.54 is: 739,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,229.37 : 1,266,921.20 = 536,036.54 : x
  2. Step 2: Convert to fraction form
    918,229.37/1,266,921.20 = 536,036.54/x
  3. Step 3: Cross multiply
    918,229.37x = 1,266,921.20 × 536,036.54
  4. Step 4: Simplify right side
    918,229.37x = 679,116,051,506.13
  5. Step 5: Solve for x
    x = 679,116,051,506.13/918,229.37
  6. Step 6: Final answer
    x = 739,593.04

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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.