Home / 722,992.88-1,083,303.48-512,254.64

Finding the Fourth Proportional to 722,992.88, 1,083,303.48 and 512,254.64

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Solution

The fourth proportional to 722,992.88, 1,083,303.48 and 512,254.64 is: 767,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,992.88 : 1,083,303.48 = 512,254.64 : x
  2. Step 2: Convert to fraction form
    722,992.88/1,083,303.48 = 512,254.64/x
  3. Step 3: Cross multiply
    722,992.88x = 1,083,303.48 × 512,254.64
  4. Step 4: Simplify right side
    722,992.88x = 554,927,234,158.15
  5. Step 5: Solve for x
    x = 554,927,234,158.15/722,992.88
  6. Step 6: Final answer
    x = 767,541.77

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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.