Home / 920,253.03-1,269,946.32-512,344.32

Finding the Fourth Proportional to 920,253.03, 1,269,946.32 and 512,344.32

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Solution

The fourth proportional to 920,253.03, 1,269,946.32 and 512,344.32 is: 707,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,253.03 : 1,269,946.32 = 512,344.32 : x
  2. Step 2: Convert to fraction form
    920,253.03/1,269,946.32 = 512,344.32/x
  3. Step 3: Cross multiply
    920,253.03x = 1,269,946.32 × 512,344.32
  4. Step 4: Simplify right side
    920,253.03x = 650,649,783,756.90
  5. Step 5: Solve for x
    x = 650,649,783,756.90/920,253.03
  6. Step 6: Final answer
    x = 707,033.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.