Home / 457,127.35-630,844.55-273,554.67

Finding the Fourth Proportional to 457,127.35, 630,844.55 and 273,554.67

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Solution

The fourth proportional to 457,127.35, 630,844.55 and 273,554.67 is: 377,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,127.35 : 630,844.55 = 273,554.67 : x
  2. Step 2: Convert to fraction form
    457,127.35/630,844.55 = 273,554.67/x
  3. Step 3: Cross multiply
    457,127.35x = 630,844.55 × 273,554.67
  4. Step 4: Simplify right side
    457,127.35x = 172,570,472,710.52
  5. Step 5: Solve for x
    x = 172,570,472,710.52/457,127.35
  6. Step 6: Final answer
    x = 377,510.72

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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.