Home / 1,618,530.30-2,232,200.55-973,830.03

Finding the Fourth Proportional to 1,618,530.30, 2,232,200.55 and 973,830.03

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Solution

The fourth proportional to 1,618,530.30, 2,232,200.55 and 973,830.03 is: 1,343,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,530.30 : 2,232,200.55 = 973,830.03 : x
  2. Step 2: Convert to fraction form
    1,618,530.30/2,232,200.55 = 973,830.03/x
  3. Step 3: Cross multiply
    1,618,530.30x = 2,232,200.55 × 973,830.03
  4. Step 4: Simplify right side
    1,618,530.30x = 2,173,783,928,572.52
  5. Step 5: Solve for x
    x = 2,173,783,928,572.52/1,618,530.30
  6. Step 6: Final answer
    x = 1,343,060.39

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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.