Home / 1,673,643.98-2,309,631.90-909,695.72

Finding the Fourth Proportional to 1,673,643.98, 2,309,631.90 and 909,695.72

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Solution

The fourth proportional to 1,673,643.98, 2,309,631.90 and 909,695.72 is: 1,255,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,643.98 : 2,309,631.90 = 909,695.72 : x
  2. Step 2: Convert to fraction form
    1,673,643.98/2,309,631.90 = 909,695.72/x
  3. Step 3: Cross multiply
    1,673,643.98x = 2,309,631.90 × 909,695.72
  4. Step 4: Simplify right side
    1,673,643.98x = 2,101,062,254,205.47
  5. Step 5: Solve for x
    x = 2,101,062,254,205.47/1,673,643.98
  6. Step 6: Final answer
    x = 1,255,381.84

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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.