Home / 919,223.12-1,268,461.32-575,212.88

Finding the Fourth Proportional to 919,223.12, 1,268,461.32 and 575,212.88

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Solution

The fourth proportional to 919,223.12, 1,268,461.32 and 575,212.88 is: 793,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,223.12 : 1,268,461.32 = 575,212.88 : x
  2. Step 2: Convert to fraction form
    919,223.12/1,268,461.32 = 575,212.88/x
  3. Step 3: Cross multiply
    919,223.12x = 1,268,461.32 × 575,212.88
  4. Step 4: Simplify right side
    919,223.12x = 729,635,289,045.80
  5. Step 5: Solve for x
    x = 729,635,289,045.80/919,223.12
  6. Step 6: Final answer
    x = 793,752.11

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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.