Home / 1,645,652.94-2,271,211.14-920,540.94

Finding the Fourth Proportional to 1,645,652.94, 2,271,211.14 and 920,540.94

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Solution

The fourth proportional to 1,645,652.94, 2,271,211.14 and 920,540.94 is: 1,270,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,652.94 : 2,271,211.14 = 920,540.94 : x
  2. Step 2: Convert to fraction form
    1,645,652.94/2,271,211.14 = 920,540.94/x
  3. Step 3: Cross multiply
    1,645,652.94x = 2,271,211.14 × 920,540.94
  4. Step 4: Simplify right side
    1,645,652.94x = 2,090,742,837,754.07
  5. Step 5: Solve for x
    x = 2,090,742,837,754.07/1,645,652.94
  6. Step 6: Final answer
    x = 1,270,464.01

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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.