Home / 908,133.40-1,362,200.10-243,285.40

Finding the Fourth Proportional to 908,133.40, 1,362,200.10 and 243,285.40

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Solution

The fourth proportional to 908,133.40, 1,362,200.10 and 243,285.40 is: 364,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,133.40 : 1,362,200.10 = 243,285.40 : x
  2. Step 2: Convert to fraction form
    908,133.40/1,362,200.10 = 243,285.40/x
  3. Step 3: Cross multiply
    908,133.40x = 1,362,200.10 × 243,285.40
  4. Step 4: Simplify right side
    908,133.40x = 331,403,396,208.54
  5. Step 5: Solve for x
    x = 331,403,396,208.54/908,133.40
  6. Step 6: Final answer
    x = 364,928.10

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Double scale
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Similar ratio
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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.