Home / 1,543,999.60-2,315,999.40-422,068.60

Finding the Fourth Proportional to 1,543,999.60, 2,315,999.40 and 422,068.60

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Solution

The fourth proportional to 1,543,999.60, 2,315,999.40 and 422,068.60 is: 633,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,999.60 : 2,315,999.40 = 422,068.60 : x
  2. Step 2: Convert to fraction form
    1,543,999.60/2,315,999.40 = 422,068.60/x
  3. Step 3: Cross multiply
    1,543,999.60x = 2,315,999.40 × 422,068.60
  4. Step 4: Simplify right side
    1,543,999.60x = 977,510,624,358.84
  5. Step 5: Solve for x
    x = 977,510,624,358.84/1,543,999.60
  6. Step 6: Final answer
    x = 633,102.90

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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.