Home / 386,727.18-533,683.71-214,645.22

Finding the Fourth Proportional to 386,727.18, 533,683.71 and 214,645.22

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Solution

The fourth proportional to 386,727.18, 533,683.71 and 214,645.22 is: 296,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,727.18 : 533,683.71 = 214,645.22 : x
  2. Step 2: Convert to fraction form
    386,727.18/533,683.71 = 214,645.22/x
  3. Step 3: Cross multiply
    386,727.18x = 533,683.71 × 214,645.22
  4. Step 4: Simplify right side
    386,727.18x = 114,552,657,343.37
  5. Step 5: Solve for x
    x = 114,552,657,343.37/386,727.18
  6. Step 6: Final answer
    x = 296,210.52

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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.