Home / 1,430,518.75-2,145,779.15-365,561.83

Finding the Fourth Proportional to 1,430,518.75, 2,145,779.15 and 365,561.83

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Solution

The fourth proportional to 1,430,518.75, 2,145,779.15 and 365,561.83 is: 548,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,518.75 : 2,145,779.15 = 365,561.83 : x
  2. Step 2: Convert to fraction form
    1,430,518.75/2,145,779.15 = 365,561.83/x
  3. Step 3: Cross multiply
    1,430,518.75x = 2,145,779.15 × 365,561.83
  4. Step 4: Simplify right side
    1,430,518.75x = 784,414,961,795.55
  5. Step 5: Solve for x
    x = 784,414,961,795.55/1,430,518.75
  6. Step 6: Final answer
    x = 548,343.01

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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.