Home / 1,181,133.16-1,630,016.76-665,064.52

Finding the Fourth Proportional to 1,181,133.16, 1,630,016.76 and 665,064.52

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Solution

The fourth proportional to 1,181,133.16, 1,630,016.76 and 665,064.52 is: 917,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,133.16 : 1,630,016.76 = 665,064.52 : x
  2. Step 2: Convert to fraction form
    1,181,133.16/1,630,016.76 = 665,064.52/x
  3. Step 3: Cross multiply
    1,181,133.16x = 1,630,016.76 × 665,064.52
  4. Step 4: Simplify right side
    1,181,133.16x = 1,084,066,314,081.36
  5. Step 5: Solve for x
    x = 1,084,066,314,081.36/1,181,133.16
  6. Step 6: Final answer
    x = 917,818.88

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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.