Home / 947,117.14-1,421,236.19-348,498.66

Finding the Fourth Proportional to 947,117.14, 1,421,236.19 and 348,498.66

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Solution

The fourth proportional to 947,117.14, 1,421,236.19 and 348,498.66 is: 522,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,117.14 : 1,421,236.19 = 348,498.66 : x
  2. Step 2: Convert to fraction form
    947,117.14/1,421,236.19 = 348,498.66/x
  3. Step 3: Cross multiply
    947,117.14x = 1,421,236.19 × 348,498.66
  4. Step 4: Simplify right side
    947,117.14x = 495,298,907,758.51
  5. Step 5: Solve for x
    x = 495,298,907,758.51/947,117.14
  6. Step 6: Final answer
    x = 522,954.22

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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.