Home / 774,000.40-1,161,000.60-453,823.60

Finding the Fourth Proportional to 774,000.40, 1,161,000.60 and 453,823.60

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Solution

The fourth proportional to 774,000.40, 1,161,000.60 and 453,823.60 is: 680,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,000.40 : 1,161,000.60 = 453,823.60 : x
  2. Step 2: Convert to fraction form
    774,000.40/1,161,000.60 = 453,823.60/x
  3. Step 3: Cross multiply
    774,000.40x = 1,161,000.60 × 453,823.60
  4. Step 4: Simplify right side
    774,000.40x = 526,889,471,894.16
  5. Step 5: Solve for x
    x = 526,889,471,894.16/774,000.40
  6. Step 6: Final answer
    x = 680,735.40

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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.