Home / 1,020,138.46-1,407,768.33-590,409.97

Finding the Fourth Proportional to 1,020,138.46, 1,407,768.33 and 590,409.97

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Solution

The fourth proportional to 1,020,138.46, 1,407,768.33 and 590,409.97 is: 814,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,138.46 : 1,407,768.33 = 590,409.97 : x
  2. Step 2: Convert to fraction form
    1,020,138.46/1,407,768.33 = 590,409.97/x
  3. Step 3: Cross multiply
    1,020,138.46x = 1,407,768.33 × 590,409.97
  4. Step 4: Simplify right side
    1,020,138.46x = 831,160,457,482.25
  5. Step 5: Solve for x
    x = 831,160,457,482.25/1,020,138.46
  6. Step 6: Final answer
    x = 814,752.59

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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.