Home / 567,010.40-851,827.80-389,863.40

Finding the Fourth Proportional to 567,010.40, 851,827.80 and 389,863.40

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Solution

The fourth proportional to 567,010.40, 851,827.80 and 389,863.40 is: 585,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,010.40 : 851,827.80 = 389,863.40 : x
  2. Step 2: Convert to fraction form
    567,010.40/851,827.80 = 389,863.40/x
  3. Step 3: Cross multiply
    567,010.40x = 851,827.80 × 389,863.40
  4. Step 4: Simplify right side
    567,010.40x = 332,096,482,322.52
  5. Step 5: Solve for x
    x = 332,096,482,322.52/567,010.40
  6. Step 6: Final answer
    x = 585,697.34

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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.