Home / 1,775,973.78-2,450,794.05-971,140.50

Finding the Fourth Proportional to 1,775,973.78, 2,450,794.05 and 971,140.50

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Solution

The fourth proportional to 1,775,973.78, 2,450,794.05 and 971,140.50 is: 1,340,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,973.78 : 2,450,794.05 = 971,140.50 : x
  2. Step 2: Convert to fraction form
    1,775,973.78/2,450,794.05 = 971,140.50/x
  3. Step 3: Cross multiply
    1,775,973.78x = 2,450,794.05 × 971,140.50
  4. Step 4: Simplify right side
    1,775,973.78x = 2,380,065,359,114.03
  5. Step 5: Solve for x
    x = 2,380,065,359,114.03/1,775,973.78
  6. Step 6: Final answer
    x = 1,340,146.68

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1.5x scale

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.