Home / 2,600,803.40-3,901,205.10-917,688.20

Finding the Fourth Proportional to 2,600,803.40, 3,901,205.10 and 917,688.20

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Solution

The fourth proportional to 2,600,803.40, 3,901,205.10 and 917,688.20 is: 1,376,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,803.40 : 3,901,205.10 = 917,688.20 : x
  2. Step 2: Convert to fraction form
    2,600,803.40/3,901,205.10 = 917,688.20/x
  3. Step 3: Cross multiply
    2,600,803.40x = 3,901,205.10 × 917,688.20
  4. Step 4: Simplify right side
    2,600,803.40x = 3,580,089,886,049.82
  5. Step 5: Solve for x
    x = 3,580,089,886,049.82/2,600,803.40
  6. Step 6: Final answer
    x = 1,376,532.30

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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.