Home / 1,109,441.34-1,530,618.12-819,751.32

Finding the Fourth Proportional to 1,109,441.34, 1,530,618.12 and 819,751.32

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Solution

The fourth proportional to 1,109,441.34, 1,530,618.12 and 819,751.32 is: 1,130,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,441.34 : 1,530,618.12 = 819,751.32 : x
  2. Step 2: Convert to fraction form
    1,109,441.34/1,530,618.12 = 819,751.32/x
  3. Step 3: Cross multiply
    1,109,441.34x = 1,530,618.12 × 819,751.32
  4. Step 4: Simplify right side
    1,109,441.34x = 1,254,726,224,285.92
  5. Step 5: Solve for x
    x = 1,254,726,224,285.92/1,109,441.34
  6. Step 6: Final answer
    x = 1,130,953.19

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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.