Home / 703,624.31-971,003.23-381,334.32

Finding the Fourth Proportional to 703,624.31, 971,003.23 and 381,334.32

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Solution

The fourth proportional to 703,624.31, 971,003.23 and 381,334.32 is: 526,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,624.31 : 971,003.23 = 381,334.32 : x
  2. Step 2: Convert to fraction form
    703,624.31/971,003.23 = 381,334.32/x
  3. Step 3: Cross multiply
    703,624.31x = 971,003.23 × 381,334.32
  4. Step 4: Simplify right side
    703,624.31x = 370,276,853,306.67
  5. Step 5: Solve for x
    x = 370,276,853,306.67/703,624.31
  6. Step 6: Final answer
    x = 526,242.27

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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.