Home / 1,347,618.30-2,021,427.45-1,329,903.60

Finding the Fourth Proportional to 1,347,618.30, 2,021,427.45 and 1,329,903.60

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Solution

The fourth proportional to 1,347,618.30, 2,021,427.45 and 1,329,903.60 is: 1,994,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,618.30 : 2,021,427.45 = 1,329,903.60 : x
  2. Step 2: Convert to fraction form
    1,347,618.30/2,021,427.45 = 1,329,903.60/x
  3. Step 3: Cross multiply
    1,347,618.30x = 2,021,427.45 × 1,329,903.60
  4. Step 4: Simplify right side
    1,347,618.30x = 2,688,303,642,893.82
  5. Step 5: Solve for x
    x = 2,688,303,642,893.82/1,347,618.30
  6. Step 6: Final answer
    x = 1,994,855.40

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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.