Home / 874,529.34-1,207,152.48-512,069.73

Finding the Fourth Proportional to 874,529.34, 1,207,152.48 and 512,069.73

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Solution

The fourth proportional to 874,529.34, 1,207,152.48 and 512,069.73 is: 706,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,529.34 : 1,207,152.48 = 512,069.73 : x
  2. Step 2: Convert to fraction form
    874,529.34/1,207,152.48 = 512,069.73/x
  3. Step 3: Cross multiply
    874,529.34x = 1,207,152.48 × 512,069.73
  4. Step 4: Simplify right side
    874,529.34x = 618,146,244,502.43
  5. Step 5: Solve for x
    x = 618,146,244,502.43/874,529.34
  6. Step 6: Final answer
    x = 706,833.05

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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.