Home / 763,245.02-1,143,520.36-463,116.12

Finding the Fourth Proportional to 763,245.02, 1,143,520.36 and 463,116.12

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Solution

The fourth proportional to 763,245.02, 1,143,520.36 and 463,116.12 is: 693,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,245.02 : 1,143,520.36 = 463,116.12 : x
  2. Step 2: Convert to fraction form
    763,245.02/1,143,520.36 = 463,116.12/x
  3. Step 3: Cross multiply
    763,245.02x = 1,143,520.36 × 463,116.12
  4. Step 4: Simplify right side
    763,245.02x = 529,582,712,264.20
  5. Step 5: Solve for x
    x = 529,582,712,264.20/763,245.02
  6. Step 6: Final answer
    x = 693,856.75

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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.