Home / 1,430,620.63-2,145,598.03-532,485.34

Finding the Fourth Proportional to 1,430,620.63, 2,145,598.03 and 532,485.34

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Solution

The fourth proportional to 1,430,620.63, 2,145,598.03 and 532,485.34 is: 798,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,620.63 : 2,145,598.03 = 532,485.34 : x
  2. Step 2: Convert to fraction form
    1,430,620.63/2,145,598.03 = 532,485.34/x
  3. Step 3: Cross multiply
    1,430,620.63x = 2,145,598.03 × 532,485.34
  4. Step 4: Simplify right side
    1,430,620.63x = 1,142,499,496,507.88
  5. Step 5: Solve for x
    x = 1,142,499,496,507.88/1,430,620.63
  6. Step 6: Final answer
    x = 798,604.10

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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.