Home / 1,228,668.75-1,695,516.65-712,444.44

Finding the Fourth Proportional to 1,228,668.75, 1,695,516.65 and 712,444.44

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Solution

The fourth proportional to 1,228,668.75, 1,695,516.65 and 712,444.44 is: 983,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,668.75 : 1,695,516.65 = 712,444.44 : x
  2. Step 2: Convert to fraction form
    1,228,668.75/1,695,516.65 = 712,444.44/x
  3. Step 3: Cross multiply
    1,228,668.75x = 1,695,516.65 × 712,444.44
  4. Step 4: Simplify right side
    1,228,668.75x = 1,207,961,406,657.70
  5. Step 5: Solve for x
    x = 1,207,961,406,657.70/1,228,668.75
  6. Step 6: Final answer
    x = 983,146.52

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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.