Home / 1,183,218.64-1,632,971.45-686,611.93

Finding the Fourth Proportional to 1,183,218.64, 1,632,971.45 and 686,611.93

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Solution

The fourth proportional to 1,183,218.64, 1,632,971.45 and 686,611.93 is: 947,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,218.64 : 1,632,971.45 = 686,611.93 : x
  2. Step 2: Convert to fraction form
    1,183,218.64/1,632,971.45 = 686,611.93/x
  3. Step 3: Cross multiply
    1,183,218.64x = 1,632,971.45 × 686,611.93
  4. Step 4: Simplify right side
    1,183,218.64x = 1,121,217,678,284.54
  5. Step 5: Solve for x
    x = 1,121,217,678,284.54/1,183,218.64
  6. Step 6: Final answer
    x = 947,599.74

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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.