Home / 926,510.70-1,389,766.05-910,764.30

Finding the Fourth Proportional to 926,510.70, 1,389,766.05 and 910,764.30

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Solution

The fourth proportional to 926,510.70, 1,389,766.05 and 910,764.30 is: 1,366,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,510.70 : 1,389,766.05 = 910,764.30 : x
  2. Step 2: Convert to fraction form
    926,510.70/1,389,766.05 = 910,764.30/x
  3. Step 3: Cross multiply
    926,510.70x = 1,389,766.05 × 910,764.30
  4. Step 4: Simplify right side
    926,510.70x = 1,265,749,303,692.02
  5. Step 5: Solve for x
    x = 1,265,749,303,692.02/926,510.70
  6. Step 6: Final answer
    x = 1,366,146.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.