Home / 1,108,114.93-1,529,177.82-624,680.40

Finding the Fourth Proportional to 1,108,114.93, 1,529,177.82 and 624,680.40

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Solution

The fourth proportional to 1,108,114.93, 1,529,177.82 and 624,680.40 is: 862,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,114.93 : 1,529,177.82 = 624,680.40 : x
  2. Step 2: Convert to fraction form
    1,108,114.93/1,529,177.82 = 624,680.40/x
  3. Step 3: Cross multiply
    1,108,114.93x = 1,529,177.82 × 624,680.40
  4. Step 4: Simplify right side
    1,108,114.93x = 955,247,412,268.73
  5. Step 5: Solve for x
    x = 955,247,412,268.73/1,108,114.93
  6. Step 6: Final answer
    x = 862,047.24

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Double scale
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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.