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Finding the Fourth Proportional to 1,295,484.98, 1,787,763.35 and 714,692.30

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Solution

The fourth proportional to 1,295,484.98, 1,787,763.35 and 714,692.30 is: 986,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,484.98 : 1,787,763.35 = 714,692.30 : x
  2. Step 2: Convert to fraction form
    1,295,484.98/1,787,763.35 = 714,692.30/x
  3. Step 3: Cross multiply
    1,295,484.98x = 1,787,763.35 × 714,692.30
  4. Step 4: Simplify right side
    1,295,484.98x = 1,277,700,693,315.12
  5. Step 5: Solve for x
    x = 1,277,700,693,315.12/1,295,484.98
  6. Step 6: Final answer
    x = 986,272.11

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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.