Home / 1,244,111.60-1,866,167.40-445,419.20

Finding the Fourth Proportional to 1,244,111.60, 1,866,167.40 and 445,419.20

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Solution

The fourth proportional to 1,244,111.60, 1,866,167.40 and 445,419.20 is: 668,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,111.60 : 1,866,167.40 = 445,419.20 : x
  2. Step 2: Convert to fraction form
    1,244,111.60/1,866,167.40 = 445,419.20/x
  3. Step 3: Cross multiply
    1,244,111.60x = 1,866,167.40 × 445,419.20
  4. Step 4: Simplify right side
    1,244,111.60x = 831,226,790,374.08
  5. Step 5: Solve for x
    x = 831,226,790,374.08/1,244,111.60
  6. Step 6: Final answer
    x = 668,128.80

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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.