Home / 1,673,774.20-2,309,781.18-909,847

Finding the Fourth Proportional to 1,673,774.20, 2,309,781.18 and 909,847

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Solution

The fourth proportional to 1,673,774.20, 2,309,781.18 and 909,847 is: 1,255,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,774.20 : 2,309,781.18 = 909,847 : x
  2. Step 2: Convert to fraction form
    1,673,774.20/2,309,781.18 = 909,847/x
  3. Step 3: Cross multiply
    1,673,774.20x = 2,309,781.18 × 909,847
  4. Step 4: Simplify right side
    1,673,774.20x = 2,101,547,477,279.46
  5. Step 5: Solve for x
    x = 2,101,547,477,279.46/1,673,774.20
  6. Step 6: Final answer
    x = 1,255,574.07

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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.