Home / 1,383,404.60-2,075,106.90-1,277,116.40

Finding the Fourth Proportional to 1,383,404.60, 2,075,106.90 and 1,277,116.40

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Solution

The fourth proportional to 1,383,404.60, 2,075,106.90 and 1,277,116.40 is: 1,915,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,404.60 : 2,075,106.90 = 1,277,116.40 : x
  2. Step 2: Convert to fraction form
    1,383,404.60/2,075,106.90 = 1,277,116.40/x
  3. Step 3: Cross multiply
    1,383,404.60x = 2,075,106.90 × 1,277,116.40
  4. Step 4: Simplify right side
    1,383,404.60x = 2,650,153,053,743.16
  5. Step 5: Solve for x
    x = 2,650,153,053,743.16/1,383,404.60
  6. Step 6: Final answer
    x = 1,915,674.60

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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.