Home / 851,430.36-1,175,178.60-511,833

Finding the Fourth Proportional to 851,430.36, 1,175,178.60 and 511,833

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Solution

The fourth proportional to 851,430.36, 1,175,178.60 and 511,833 is: 706,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,430.36 : 1,175,178.60 = 511,833 : x
  2. Step 2: Convert to fraction form
    851,430.36/1,175,178.60 = 511,833/x
  3. Step 3: Cross multiply
    851,430.36x = 1,175,178.60 × 511,833
  4. Step 4: Simplify right side
    851,430.36x = 601,495,188,373.80
  5. Step 5: Solve for x
    x = 601,495,188,373.80/851,430.36
  6. Step 6: Final answer
    x = 706,452.60

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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.