Home / 1,416,445.84-1,954,668.54-771,870.52

Finding the Fourth Proportional to 1,416,445.84, 1,954,668.54 and 771,870.52

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Solution

The fourth proportional to 1,416,445.84, 1,954,668.54 and 771,870.52 is: 1,065,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,445.84 : 1,954,668.54 = 771,870.52 : x
  2. Step 2: Convert to fraction form
    1,416,445.84/1,954,668.54 = 771,870.52/x
  3. Step 3: Cross multiply
    1,416,445.84x = 1,954,668.54 × 771,870.52
  4. Step 4: Simplify right side
    1,416,445.84x = 1,508,751,022,397.44
  5. Step 5: Solve for x
    x = 1,508,751,022,397.44/1,416,445.84
  6. Step 6: Final answer
    x = 1,065,166.76

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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.