Home / 763,035.12-1,053,098.08-457,124.64

Finding the Fourth Proportional to 763,035.12, 1,053,098.08 and 457,124.64

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Solution

The fourth proportional to 763,035.12, 1,053,098.08 and 457,124.64 is: 630,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,035.12 : 1,053,098.08 = 457,124.64 : x
  2. Step 2: Convert to fraction form
    763,035.12/1,053,098.08 = 457,124.64/x
  3. Step 3: Cross multiply
    763,035.12x = 1,053,098.08 × 457,124.64
  4. Step 4: Simplify right side
    763,035.12x = 481,397,080,704.69
  5. Step 5: Solve for x
    x = 481,397,080,704.69/763,035.12
  6. Step 6: Final answer
    x = 630,897.67

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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.