Home / 858,993.84-1,185,427.48-477,056.16

Finding the Fourth Proportional to 858,993.84, 1,185,427.48 and 477,056.16

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Solution

The fourth proportional to 858,993.84, 1,185,427.48 and 477,056.16 is: 658,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,993.84 : 1,185,427.48 = 477,056.16 : x
  2. Step 2: Convert to fraction form
    858,993.84/1,185,427.48 = 477,056.16/x
  3. Step 3: Cross multiply
    858,993.84x = 1,185,427.48 × 477,056.16
  4. Step 4: Simplify right side
    858,993.84x = 565,515,481,567.28
  5. Step 5: Solve for x
    x = 565,515,481,567.28/858,993.84
  6. Step 6: Final answer
    x = 658,346.38

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Double scale
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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.