Home / 457,338.23-682,744.62-426,946.38

Finding the Fourth Proportional to 457,338.23, 682,744.62 and 426,946.38

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Solution

The fourth proportional to 457,338.23, 682,744.62 and 426,946.38 is: 637,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,338.23 : 682,744.62 = 426,946.38 : x
  2. Step 2: Convert to fraction form
    457,338.23/682,744.62 = 426,946.38/x
  3. Step 3: Cross multiply
    457,338.23x = 682,744.62 × 426,946.38
  4. Step 4: Simplify right side
    457,338.23x = 291,495,343,973.48
  5. Step 5: Solve for x
    x = 291,495,343,973.48/457,338.23
  6. Step 6: Final answer
    x = 637,373.66

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1.5x scale

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.