Home / 943,623.80-1,415,435.70-569,454.20

Finding the Fourth Proportional to 943,623.80, 1,415,435.70 and 569,454.20

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Solution

The fourth proportional to 943,623.80, 1,415,435.70 and 569,454.20 is: 854,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,623.80 : 1,415,435.70 = 569,454.20 : x
  2. Step 2: Convert to fraction form
    943,623.80/1,415,435.70 = 569,454.20/x
  3. Step 3: Cross multiply
    943,623.80x = 1,415,435.70 × 569,454.20
  4. Step 4: Simplify right side
    943,623.80x = 806,025,804,194.94
  5. Step 5: Solve for x
    x = 806,025,804,194.94/943,623.80
  6. Step 6: Final answer
    x = 854,181.30

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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.