Home / 776,099.60-1,164,149.40-723,611.60

Finding the Fourth Proportional to 776,099.60, 1,164,149.40 and 723,611.60

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Solution

The fourth proportional to 776,099.60, 1,164,149.40 and 723,611.60 is: 1,085,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,099.60 : 1,164,149.40 = 723,611.60 : x
  2. Step 2: Convert to fraction form
    776,099.60/1,164,149.40 = 723,611.60/x
  3. Step 3: Cross multiply
    776,099.60x = 1,164,149.40 × 723,611.60
  4. Step 4: Simplify right side
    776,099.60x = 842,392,009,973.04
  5. Step 5: Solve for x
    x = 842,392,009,973.04/776,099.60
  6. Step 6: Final answer
    x = 1,085,417.40

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Double scale
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Similar ratio
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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.