Home / 935,553.42-1,291,395.69-553,579.38

Finding the Fourth Proportional to 935,553.42, 1,291,395.69 and 553,579.38

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Solution

The fourth proportional to 935,553.42, 1,291,395.69 and 553,579.38 is: 764,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,553.42 : 1,291,395.69 = 553,579.38 : x
  2. Step 2: Convert to fraction form
    935,553.42/1,291,395.69 = 553,579.38/x
  3. Step 3: Cross multiply
    935,553.42x = 1,291,395.69 × 553,579.38
  4. Step 4: Simplify right side
    935,553.42x = 714,890,025,404.87
  5. Step 5: Solve for x
    x = 714,890,025,404.87/935,553.42
  6. Step 6: Final answer
    x = 764,135.98

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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.