Home / 747,372.45-1,031,431.08-425,063.33

Finding the Fourth Proportional to 747,372.45, 1,031,431.08 and 425,063.33

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Solution

The fourth proportional to 747,372.45, 1,031,431.08 and 425,063.33 is: 586,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,372.45 : 1,031,431.08 = 425,063.33 : x
  2. Step 2: Convert to fraction form
    747,372.45/1,031,431.08 = 425,063.33/x
  3. Step 3: Cross multiply
    747,372.45x = 1,031,431.08 × 425,063.33
  4. Step 4: Simplify right side
    747,372.45x = 438,423,529,835.00
  5. Step 5: Solve for x
    x = 438,423,529,835.00/747,372.45
  6. Step 6: Final answer
    x = 586,619.87

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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.