Home / 848,562.63-1,272,003.16-398,477.81

Finding the Fourth Proportional to 848,562.63, 1,272,003.16 and 398,477.81

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Solution

The fourth proportional to 848,562.63, 1,272,003.16 and 398,477.81 is: 597,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,562.63 : 1,272,003.16 = 398,477.81 : x
  2. Step 2: Convert to fraction form
    848,562.63/1,272,003.16 = 398,477.81/x
  3. Step 3: Cross multiply
    848,562.63x = 1,272,003.16 × 398,477.81
  4. Step 4: Simplify right side
    848,562.63x = 506,865,033,509.88
  5. Step 5: Solve for x
    x = 506,865,033,509.88/848,562.63
  6. Step 6: Final answer
    x = 597,321.89

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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.