Home / 1,692,312.90-2,335,378.19-917,941.82

Finding the Fourth Proportional to 1,692,312.90, 2,335,378.19 and 917,941.82

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Solution

The fourth proportional to 1,692,312.90, 2,335,378.19 and 917,941.82 is: 1,266,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,312.90 : 2,335,378.19 = 917,941.82 : x
  2. Step 2: Convert to fraction form
    1,692,312.90/2,335,378.19 = 917,941.82/x
  3. Step 3: Cross multiply
    1,692,312.90x = 2,335,378.19 × 917,941.82
  4. Step 4: Simplify right side
    1,692,312.90x = 2,143,741,296,734.87
  5. Step 5: Solve for x
    x = 2,143,741,296,734.87/1,692,312.90
  6. Step 6: Final answer
    x = 1,266,752.32

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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.