Home / 855,914.95-1,181,154.15-463,446.06

Finding the Fourth Proportional to 855,914.95, 1,181,154.15 and 463,446.06

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Solution

The fourth proportional to 855,914.95, 1,181,154.15 and 463,446.06 is: 639,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,914.95 : 1,181,154.15 = 463,446.06 : x
  2. Step 2: Convert to fraction form
    855,914.95/1,181,154.15 = 463,446.06/x
  3. Step 3: Cross multiply
    855,914.95x = 1,181,154.15 × 463,446.06
  4. Step 4: Simplify right side
    855,914.95x = 547,401,232,640.82
  5. Step 5: Solve for x
    x = 547,401,232,640.82/855,914.95
  6. Step 6: Final answer
    x = 639,550.96

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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.