Home / 734,531.02-1,013,654.78-407,844.67

Finding the Fourth Proportional to 734,531.02, 1,013,654.78 and 407,844.67

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Solution

The fourth proportional to 734,531.02, 1,013,654.78 and 407,844.67 is: 562,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,531.02 : 1,013,654.78 = 407,844.67 : x
  2. Step 2: Convert to fraction form
    734,531.02/1,013,654.78 = 407,844.67/x
  3. Step 3: Cross multiply
    734,531.02x = 1,013,654.78 × 407,844.67
  4. Step 4: Simplify right side
    734,531.02x = 413,413,694,174.75
  5. Step 5: Solve for x
    x = 413,413,694,174.75/734,531.02
  6. Step 6: Final answer
    x = 562,826.73

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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.