Home / 810,783.96-1,118,828.32-466,564.24

Finding the Fourth Proportional to 810,783.96, 1,118,828.32 and 466,564.24

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Solution

The fourth proportional to 810,783.96, 1,118,828.32 and 466,564.24 is: 643,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,783.96 : 1,118,828.32 = 466,564.24 : x
  2. Step 2: Convert to fraction form
    810,783.96/1,118,828.32 = 466,564.24/x
  3. Step 3: Cross multiply
    810,783.96x = 1,118,828.32 × 466,564.24
  4. Step 4: Simplify right side
    810,783.96x = 522,005,284,811.28
  5. Step 5: Solve for x
    x = 522,005,284,811.28/810,783.96
  6. Step 6: Final answer
    x = 643,827.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.