Home / 1,230,653.40-1,844,943.30-639,677.40

Finding the Fourth Proportional to 1,230,653.40, 1,844,943.30 and 639,677.40

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Solution

The fourth proportional to 1,230,653.40, 1,844,943.30 and 639,677.40 is: 958,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,653.40 : 1,844,943.30 = 639,677.40 : x
  2. Step 2: Convert to fraction form
    1,230,653.40/1,844,943.30 = 639,677.40/x
  3. Step 3: Cross multiply
    1,230,653.40x = 1,844,943.30 × 639,677.40
  4. Step 4: Simplify right side
    1,230,653.40x = 1,180,168,533,291.42
  5. Step 5: Solve for x
    x = 1,180,168,533,291.42/1,230,653.40
  6. Step 6: Final answer
    x = 958,977.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.