Home / 715,276.80-1,072,915.20-599,803.20

Finding the Fourth Proportional to 715,276.80, 1,072,915.20 and 599,803.20

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Solution

The fourth proportional to 715,276.80, 1,072,915.20 and 599,803.20 is: 899,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,276.80 : 1,072,915.20 = 599,803.20 : x
  2. Step 2: Convert to fraction form
    715,276.80/1,072,915.20 = 599,803.20/x
  3. Step 3: Cross multiply
    715,276.80x = 1,072,915.20 × 599,803.20
  4. Step 4: Simplify right side
    715,276.80x = 643,537,970,288.64
  5. Step 5: Solve for x
    x = 643,537,970,288.64/715,276.80
  6. Step 6: Final answer
    x = 899,704.80

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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.