Home / 868,814.64-1,198,944.72-506,215.80

Finding the Fourth Proportional to 868,814.64, 1,198,944.72 and 506,215.80

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Solution

The fourth proportional to 868,814.64, 1,198,944.72 and 506,215.80 is: 698,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,814.64 : 1,198,944.72 = 506,215.80 : x
  2. Step 2: Convert to fraction form
    868,814.64/1,198,944.72 = 506,215.80/x
  3. Step 3: Cross multiply
    868,814.64x = 1,198,944.72 × 506,215.80
  4. Step 4: Simplify right side
    868,814.64x = 606,924,760,590.58
  5. Step 5: Solve for x
    x = 606,924,760,590.58/868,814.64
  6. Step 6: Final answer
    x = 698,566.45

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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.