Home / 1,560,539.40-2,340,809.10-438,608.40

Finding the Fourth Proportional to 1,560,539.40, 2,340,809.10 and 438,608.40

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Solution

The fourth proportional to 1,560,539.40, 2,340,809.10 and 438,608.40 is: 657,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,539.40 : 2,340,809.10 = 438,608.40 : x
  2. Step 2: Convert to fraction form
    1,560,539.40/2,340,809.10 = 438,608.40/x
  3. Step 3: Cross multiply
    1,560,539.40x = 2,340,809.10 × 438,608.40
  4. Step 4: Simplify right side
    1,560,539.40x = 1,026,698,534,056.44
  5. Step 5: Solve for x
    x = 1,026,698,534,056.44/1,560,539.40
  6. Step 6: Final answer
    x = 657,912.60

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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.