Home / 1,688,596.85-2,330,235.83-914,221.50

Finding the Fourth Proportional to 1,688,596.85, 2,330,235.83 and 914,221.50

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Solution

The fourth proportional to 1,688,596.85, 2,330,235.83 and 914,221.50 is: 1,261,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,596.85 : 2,330,235.83 = 914,221.50 : x
  2. Step 2: Convert to fraction form
    1,688,596.85/2,330,235.83 = 914,221.50/x
  3. Step 3: Cross multiply
    1,688,596.85x = 2,330,235.83 × 914,221.50
  4. Step 4: Simplify right side
    1,688,596.85x = 2,130,351,684,205.17
  5. Step 5: Solve for x
    x = 2,130,351,684,205.17/1,688,596.85
  6. Step 6: Final answer
    x = 1,261,610.60

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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.