Home / 1,199,312.09-1,798,703.21-346,198.32

Finding the Fourth Proportional to 1,199,312.09, 1,798,703.21 and 346,198.32

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Solution

The fourth proportional to 1,199,312.09, 1,798,703.21 and 346,198.32 is: 519,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,312.09 : 1,798,703.21 = 346,198.32 : x
  2. Step 2: Convert to fraction form
    1,199,312.09/1,798,703.21 = 346,198.32/x
  3. Step 3: Cross multiply
    1,199,312.09x = 1,798,703.21 × 346,198.32
  4. Step 4: Simplify right side
    1,199,312.09x = 622,708,030,346.10
  5. Step 5: Solve for x
    x = 622,708,030,346.10/1,199,312.09
  6. Step 6: Final answer
    x = 519,221.01

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1.5x scale

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.