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Finding the Fourth Proportional to 1,415,510, 1,953,374.64 and 770,941.52

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Solution

The fourth proportional to 1,415,510, 1,953,374.64 and 770,941.52 is: 1,063,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,510 : 1,953,374.64 = 770,941.52 : x
  2. Step 2: Convert to fraction form
    1,415,510/1,953,374.64 = 770,941.52/x
  3. Step 3: Cross multiply
    1,415,510x = 1,953,374.64 × 770,941.52
  4. Step 4: Simplify right side
    1,415,510x = 1,505,937,614,091.05
  5. Step 5: Solve for x
    x = 1,505,937,614,091.05/1,415,510
  6. Step 6: Final answer
    x = 1,063,883.42

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1.5x scale

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.