Home / 863,987.99-1,294,930.80-611,341.16

Finding the Fourth Proportional to 863,987.99, 1,294,930.80 and 611,341.16

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Solution

The fourth proportional to 863,987.99, 1,294,930.80 and 611,341.16 is: 916,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,987.99 : 1,294,930.80 = 611,341.16 : x
  2. Step 2: Convert to fraction form
    863,987.99/1,294,930.80 = 611,341.16/x
  3. Step 3: Cross multiply
    863,987.99x = 1,294,930.80 × 611,341.16
  4. Step 4: Simplify right side
    863,987.99x = 791,644,490,917.07
  5. Step 5: Solve for x
    x = 791,644,490,917.07/863,987.99
  6. Step 6: Final answer
    x = 916,267.94

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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.