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Finding the Fourth Proportional to 1,299,541.02, 1,958,084.46 and 1,076,793.67

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Solution

The fourth proportional to 1,299,541.02, 1,958,084.46 and 1,076,793.67 is: 1,622,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,541.02 : 1,958,084.46 = 1,076,793.67 : x
  2. Step 2: Convert to fraction form
    1,299,541.02/1,958,084.46 = 1,076,793.67/x
  3. Step 3: Cross multiply
    1,299,541.02x = 1,958,084.46 × 1,076,793.67
  4. Step 4: Simplify right side
    1,299,541.02x = 2,108,452,956,779.60
  5. Step 5: Solve for x
    x = 2,108,452,956,779.60/1,299,541.02
  6. Step 6: Final answer
    x = 1,622,459.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.