Home / 933,243.60-1,398,828.60-512,821.20

Finding the Fourth Proportional to 933,243.60, 1,398,828.60 and 512,821.20

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Solution

The fourth proportional to 933,243.60, 1,398,828.60 and 512,821.20 is: 768,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,243.60 : 1,398,828.60 = 512,821.20 : x
  2. Step 2: Convert to fraction form
    933,243.60/1,398,828.60 = 512,821.20/x
  3. Step 3: Cross multiply
    933,243.60x = 1,398,828.60 × 512,821.20
  4. Step 4: Simplify right side
    933,243.60x = 717,348,961,246.32
  5. Step 5: Solve for x
    x = 717,348,961,246.32/933,243.60
  6. Step 6: Final answer
    x = 768,662.07

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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.