Home / 1,416,574.55-1,954,815.85-771,980.90

Finding the Fourth Proportional to 1,416,574.55, 1,954,815.85 and 771,980.90

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Solution

The fourth proportional to 1,416,574.55, 1,954,815.85 and 771,980.90 is: 1,065,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,574.55 : 1,954,815.85 = 771,980.90 : x
  2. Step 2: Convert to fraction form
    1,416,574.55/1,954,815.85 = 771,980.90/x
  3. Step 3: Cross multiply
    1,416,574.55x = 1,954,815.85 × 771,980.90
  4. Step 4: Simplify right side
    1,416,574.55x = 1,509,080,499,217.27
  5. Step 5: Solve for x
    x = 1,509,080,499,217.27/1,416,574.55
  6. Step 6: Final answer
    x = 1,065,302.56

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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.