Home / 1,152,455.60-1,728,554-441,985.20

Finding the Fourth Proportional to 1,152,455.60, 1,728,554 and 441,985.20

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Solution

The fourth proportional to 1,152,455.60, 1,728,554 and 441,985.20 is: 662,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,455.60 : 1,728,554 = 441,985.20 : x
  2. Step 2: Convert to fraction form
    1,152,455.60/1,728,554 = 441,985.20/x
  3. Step 3: Cross multiply
    1,152,455.60x = 1,728,554 × 441,985.20
  4. Step 4: Simplify right side
    1,152,455.60x = 763,995,285,400.80
  5. Step 5: Solve for x
    x = 763,995,285,400.80/1,152,455.60
  6. Step 6: Final answer
    x = 662,928.17

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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.