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Finding the Fourth Proportional to 1,277,048.04, 1,762,633.38 and 767,652

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Solution

The fourth proportional to 1,277,048.04, 1,762,633.38 and 767,652 is: 1,059,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,048.04 : 1,762,633.38 = 767,652 : x
  2. Step 2: Convert to fraction form
    1,277,048.04/1,762,633.38 = 767,652/x
  3. Step 3: Cross multiply
    1,277,048.04x = 1,762,633.38 × 767,652
  4. Step 4: Simplify right side
    1,277,048.04x = 1,353,089,039,423.76
  5. Step 5: Solve for x
    x = 1,353,089,039,423.76/1,277,048.04
  6. Step 6: Final answer
    x = 1,059,544.35

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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.