Home / 1,673,681.80-2,309,697.30-909,734.89

Finding the Fourth Proportional to 1,673,681.80, 2,309,697.30 and 909,734.89

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Solution

The fourth proportional to 1,673,681.80, 2,309,697.30 and 909,734.89 is: 1,255,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,681.80 : 2,309,697.30 = 909,734.89 : x
  2. Step 2: Convert to fraction form
    1,673,681.80/2,309,697.30 = 909,734.89/x
  3. Step 3: Cross multiply
    1,673,681.80x = 2,309,697.30 × 909,734.89
  4. Step 4: Simplify right side
    1,673,681.80x = 2,101,212,219,148.80
  5. Step 5: Solve for x
    x = 2,101,212,219,148.80/1,673,681.80
  6. Step 6: Final answer
    x = 1,255,443.07

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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.