Home / 961,430.88-1,326,941.16-579,458.16

Finding the Fourth Proportional to 961,430.88, 1,326,941.16 and 579,458.16

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Solution

The fourth proportional to 961,430.88, 1,326,941.16 and 579,458.16 is: 799,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,430.88 : 1,326,941.16 = 579,458.16 : x
  2. Step 2: Convert to fraction form
    961,430.88/1,326,941.16 = 579,458.16/x
  3. Step 3: Cross multiply
    961,430.88x = 1,326,941.16 × 579,458.16
  4. Step 4: Simplify right side
    961,430.88x = 768,906,883,001.87
  5. Step 5: Solve for x
    x = 768,906,883,001.87/961,430.88
  6. Step 6: Final answer
    x = 799,752.64

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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.