Home / 883,729.20-1,325,593.80-509,444.40

Finding the Fourth Proportional to 883,729.20, 1,325,593.80 and 509,444.40

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Solution

The fourth proportional to 883,729.20, 1,325,593.80 and 509,444.40 is: 764,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,729.20 : 1,325,593.80 = 509,444.40 : x
  2. Step 2: Convert to fraction form
    883,729.20/1,325,593.80 = 509,444.40/x
  3. Step 3: Cross multiply
    883,729.20x = 1,325,593.80 × 509,444.40
  4. Step 4: Simplify right side
    883,729.20x = 675,316,338,084.72
  5. Step 5: Solve for x
    x = 675,316,338,084.72/883,729.20
  6. Step 6: Final answer
    x = 764,166.60

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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.