Home / 947,116.39-1,421,235.07-348,497.92

Finding the Fourth Proportional to 947,116.39, 1,421,235.07 and 348,497.92

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Solution

The fourth proportional to 947,116.39, 1,421,235.07 and 348,497.92 is: 522,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,116.39 : 1,421,235.07 = 348,497.92 : x
  2. Step 2: Convert to fraction form
    947,116.39/1,421,235.07 = 348,497.92/x
  3. Step 3: Cross multiply
    947,116.39x = 1,421,235.07 × 348,497.92
  4. Step 4: Simplify right side
    947,116.39x = 495,297,458,619.88
  5. Step 5: Solve for x
    x = 495,297,458,619.88/947,116.39
  6. Step 6: Final answer
    x = 522,953.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.