Home / 1,220,106.40-1,830,159.60-983,910.40

Finding the Fourth Proportional to 1,220,106.40, 1,830,159.60 and 983,910.40

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Solution

The fourth proportional to 1,220,106.40, 1,830,159.60 and 983,910.40 is: 1,475,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,106.40 : 1,830,159.60 = 983,910.40 : x
  2. Step 2: Convert to fraction form
    1,220,106.40/1,830,159.60 = 983,910.40/x
  3. Step 3: Cross multiply
    1,220,106.40x = 1,830,159.60 × 983,910.40
  4. Step 4: Simplify right side
    1,220,106.40x = 1,800,713,064,099.84
  5. Step 5: Solve for x
    x = 1,800,713,064,099.84/1,220,106.40
  6. Step 6: Final answer
    x = 1,475,865.60

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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.