Home / 887,294.16-1,330,678.80-256,213.44

Finding the Fourth Proportional to 887,294.16, 1,330,678.80 and 256,213.44

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Solution

The fourth proportional to 887,294.16, 1,330,678.80 and 256,213.44 is: 384,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,294.16 : 1,330,678.80 = 256,213.44 : x
  2. Step 2: Convert to fraction form
    887,294.16/1,330,678.80 = 256,213.44/x
  3. Step 3: Cross multiply
    887,294.16x = 1,330,678.80 × 256,213.44
  4. Step 4: Simplify right side
    887,294.16x = 340,937,792,883.07
  5. Step 5: Solve for x
    x = 340,937,792,883.07/887,294.16
  6. Step 6: Final answer
    x = 384,244.38

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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.