Home / 1,194,338.64-1,648,335.70-678,258.31

Finding the Fourth Proportional to 1,194,338.64, 1,648,335.70 and 678,258.31

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Solution

The fourth proportional to 1,194,338.64, 1,648,335.70 and 678,258.31 is: 936,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,338.64 : 1,648,335.70 = 678,258.31 : x
  2. Step 2: Convert to fraction form
    1,194,338.64/1,648,335.70 = 678,258.31/x
  3. Step 3: Cross multiply
    1,194,338.64x = 1,648,335.70 × 678,258.31
  4. Step 4: Simplify right side
    1,194,338.64x = 1,117,997,386,194.67
  5. Step 5: Solve for x
    x = 1,117,997,386,194.67/1,194,338.64
  6. Step 6: Final answer
    x = 936,080.73

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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.