Home / 1,241,280.60-1,862,139.60-443,025.60

Finding the Fourth Proportional to 1,241,280.60, 1,862,139.60 and 443,025.60

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Solution

The fourth proportional to 1,241,280.60, 1,862,139.60 and 443,025.60 is: 664,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,280.60 : 1,862,139.60 = 443,025.60 : x
  2. Step 2: Convert to fraction form
    1,241,280.60/1,862,139.60 = 443,025.60/x
  3. Step 3: Cross multiply
    1,241,280.60x = 1,862,139.60 × 443,025.60
  4. Step 4: Simplify right side
    1,241,280.60x = 824,975,513,573.76
  5. Step 5: Solve for x
    x = 824,975,513,573.76/1,241,280.60
  6. Step 6: Final answer
    x = 664,616.46

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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.