Home / 476,465.73-657,520.80-272,516.37

Finding the Fourth Proportional to 476,465.73, 657,520.80 and 272,516.37

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Solution

The fourth proportional to 476,465.73, 657,520.80 and 272,516.37 is: 376,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,465.73 : 657,520.80 = 272,516.37 : x
  2. Step 2: Convert to fraction form
    476,465.73/657,520.80 = 272,516.37/x
  3. Step 3: Cross multiply
    476,465.73x = 657,520.80 × 272,516.37
  4. Step 4: Simplify right side
    476,465.73x = 179,185,178,127.86
  5. Step 5: Solve for x
    x = 179,185,178,127.86/476,465.73
  6. Step 6: Final answer
    x = 376,071.50

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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.