Home / 1,317,692.28-1,818,415.26-714,080.28

Finding the Fourth Proportional to 1,317,692.28, 1,818,415.26 and 714,080.28

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Solution

The fourth proportional to 1,317,692.28, 1,818,415.26 and 714,080.28 is: 985,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,692.28 : 1,818,415.26 = 714,080.28 : x
  2. Step 2: Convert to fraction form
    1,317,692.28/1,818,415.26 = 714,080.28/x
  3. Step 3: Cross multiply
    1,317,692.28x = 1,818,415.26 × 714,080.28
  4. Step 4: Simplify right side
    1,317,692.28x = 1,298,494,478,017.07
  5. Step 5: Solve for x
    x = 1,298,494,478,017.07/1,317,692.28
  6. Step 6: Final answer
    x = 985,430.74

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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.