Home / 1,077,399.80-1,616,099.70-477,724.40

Finding the Fourth Proportional to 1,077,399.80, 1,616,099.70 and 477,724.40

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Solution

The fourth proportional to 1,077,399.80, 1,616,099.70 and 477,724.40 is: 716,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,399.80 : 1,616,099.70 = 477,724.40 : x
  2. Step 2: Convert to fraction form
    1,077,399.80/1,616,099.70 = 477,724.40/x
  3. Step 3: Cross multiply
    1,077,399.80x = 1,616,099.70 × 477,724.40
  4. Step 4: Simplify right side
    1,077,399.80x = 772,050,259,522.68
  5. Step 5: Solve for x
    x = 772,050,259,522.68/1,077,399.80
  6. Step 6: Final answer
    x = 716,586.60

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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.