Home / 395,424.47-545,683.02-214,132.25

Finding the Fourth Proportional to 395,424.47, 545,683.02 and 214,132.25

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Solution

The fourth proportional to 395,424.47, 545,683.02 and 214,132.25 is: 295,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,424.47 : 545,683.02 = 214,132.25 : x
  2. Step 2: Convert to fraction form
    395,424.47/545,683.02 = 214,132.25/x
  3. Step 3: Cross multiply
    395,424.47x = 545,683.02 × 214,132.25
  4. Step 4: Simplify right side
    395,424.47x = 116,848,330,130.98
  5. Step 5: Solve for x
    x = 116,848,330,130.98/395,424.47
  6. Step 6: Final answer
    x = 295,501.01

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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.