Home / 703,918.46-971,412.28-381,633.50

Finding the Fourth Proportional to 703,918.46, 971,412.28 and 381,633.50

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Solution

The fourth proportional to 703,918.46, 971,412.28 and 381,633.50 is: 526,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,918.46 : 971,412.28 = 381,633.50 : x
  2. Step 2: Convert to fraction form
    703,918.46/971,412.28 = 381,633.50/x
  3. Step 3: Cross multiply
    703,918.46x = 971,412.28 × 381,633.50
  4. Step 4: Simplify right side
    703,918.46x = 370,723,468,359.38
  5. Step 5: Solve for x
    x = 370,723,468,359.38/703,918.46
  6. Step 6: Final answer
    x = 526,656.84

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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.