Home / 457,931.37-683,561.58-424,162.57

Finding the Fourth Proportional to 457,931.37, 683,561.58 and 424,162.57

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Solution

The fourth proportional to 457,931.37, 683,561.58 and 424,162.57 is: 633,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,931.37 : 683,561.58 = 424,162.57 : x
  2. Step 2: Convert to fraction form
    457,931.37/683,561.58 = 424,162.57/x
  3. Step 3: Cross multiply
    457,931.37x = 683,561.58 × 424,162.57
  4. Step 4: Simplify right side
    457,931.37x = 289,941,236,526.06
  5. Step 5: Solve for x
    x = 289,941,236,526.06/457,931.37
  6. Step 6: Final answer
    x = 633,154.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.