Home / 627,407.00-865,826.43-340,928.63

Finding the Fourth Proportional to 627,407.00, 865,826.43 and 340,928.63

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Solution

The fourth proportional to 627,407.00, 865,826.43 and 340,928.63 is: 470,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,407.00 : 865,826.43 = 340,928.63 : x
  2. Step 2: Convert to fraction form
    627,407.00/865,826.43 = 340,928.63/x
  3. Step 3: Cross multiply
    627,407.00x = 865,826.43 × 340,928.63
  4. Step 4: Simplify right side
    627,407.00x = 295,185,020,762.26
  5. Step 5: Solve for x
    x = 295,185,020,762.26/627,407.00
  6. Step 6: Final answer
    x = 470,484.10

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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.