Home / 1,577,002.40-2,365,244.72-439,842

Finding the Fourth Proportional to 1,577,002.40, 2,365,244.72 and 439,842

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Solution

The fourth proportional to 1,577,002.40, 2,365,244.72 and 439,842 is: 659,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,002.40 : 2,365,244.72 = 439,842 : x
  2. Step 2: Convert to fraction form
    1,577,002.40/2,365,244.72 = 439,842/x
  3. Step 3: Cross multiply
    1,577,002.40x = 2,365,244.72 × 439,842
  4. Step 4: Simplify right side
    1,577,002.40x = 1,040,333,968,134.24
  5. Step 5: Solve for x
    x = 1,040,333,968,134.24/1,577,002.40
  6. Step 6: Final answer
    x = 659,690.80

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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.