Home / 1,458,323.75-2,012,186.34-838,009.11

Finding the Fourth Proportional to 1,458,323.75, 2,012,186.34 and 838,009.11

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Solution

The fourth proportional to 1,458,323.75, 2,012,186.34 and 838,009.11 is: 1,156,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,323.75 : 2,012,186.34 = 838,009.11 : x
  2. Step 2: Convert to fraction form
    1,458,323.75/2,012,186.34 = 838,009.11/x
  3. Step 3: Cross multiply
    1,458,323.75x = 2,012,186.34 × 838,009.11
  4. Step 4: Simplify right side
    1,458,323.75x = 1,686,230,483,937.56
  5. Step 5: Solve for x
    x = 1,686,230,483,937.56/1,458,323.75
  6. Step 6: Final answer
    x = 1,156,279.93

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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.