Home / 930,859.72-1,284,690.68-563,539.32

Finding the Fourth Proportional to 930,859.72, 1,284,690.68 and 563,539.32

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Solution

The fourth proportional to 930,859.72, 1,284,690.68 and 563,539.32 is: 777,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,859.72 : 1,284,690.68 = 563,539.32 : x
  2. Step 2: Convert to fraction form
    930,859.72/1,284,690.68 = 563,539.32/x
  3. Step 3: Cross multiply
    930,859.72x = 1,284,690.68 × 563,539.32
  4. Step 4: Simplify right side
    930,859.72x = 723,973,710,609.85
  5. Step 5: Solve for x
    x = 723,973,710,609.85/930,859.72
  6. Step 6: Final answer
    x = 777,747.38

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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.