Home / 1,210,514.76-1,670,522.94-666,661.32

Finding the Fourth Proportional to 1,210,514.76, 1,670,522.94 and 666,661.32

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Solution

The fourth proportional to 1,210,514.76, 1,670,522.94 and 666,661.32 is: 919,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,514.76 : 1,670,522.94 = 666,661.32 : x
  2. Step 2: Convert to fraction form
    1,210,514.76/1,670,522.94 = 666,661.32/x
  3. Step 3: Cross multiply
    1,210,514.76x = 1,670,522.94 × 666,661.32
  4. Step 4: Simplify right side
    1,210,514.76x = 1,113,673,028,270.68
  5. Step 5: Solve for x
    x = 1,113,673,028,270.68/1,210,514.76
  6. Step 6: Final answer
    x = 919,999.54

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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.