Home / 816,868.26-1,225,302.93-255,946.50

Finding the Fourth Proportional to 816,868.26, 1,225,302.93 and 255,946.50

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Solution

The fourth proportional to 816,868.26, 1,225,302.93 and 255,946.50 is: 383,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,868.26 : 1,225,302.93 = 255,946.50 : x
  2. Step 2: Convert to fraction form
    816,868.26/1,225,302.93 = 255,946.50/x
  3. Step 3: Cross multiply
    816,868.26x = 1,225,302.93 × 255,946.50
  4. Step 4: Simplify right side
    816,868.26x = 313,611,996,373.25
  5. Step 5: Solve for x
    x = 313,611,996,373.25/816,868.26
  6. Step 6: Final answer
    x = 383,919.92

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Double scale
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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.