Home / 1,151,581.19-1,589,182.20-642,283.56

Finding the Fourth Proportional to 1,151,581.19, 1,589,182.20 and 642,283.56

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Solution

The fourth proportional to 1,151,581.19, 1,589,182.20 and 642,283.56 is: 886,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,581.19 : 1,589,182.20 = 642,283.56 : x
  2. Step 2: Convert to fraction form
    1,151,581.19/1,589,182.20 = 642,283.56/x
  3. Step 3: Cross multiply
    1,151,581.19x = 1,589,182.20 × 642,283.56
  4. Step 4: Simplify right side
    1,151,581.19x = 1,020,705,600,904.63
  5. Step 5: Solve for x
    x = 1,020,705,600,904.63/1,151,581.19
  6. Step 6: Final answer
    x = 886,351.40

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Double scale
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1.5x scale

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.