Home / 690,018.24-952,568.81-534,620.96

Finding the Fourth Proportional to 690,018.24, 952,568.81 and 534,620.96

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Solution

The fourth proportional to 690,018.24, 952,568.81 and 534,620.96 is: 738,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,018.24 : 952,568.81 = 534,620.96 : x
  2. Step 2: Convert to fraction form
    690,018.24/952,568.81 = 534,620.96/x
  3. Step 3: Cross multiply
    690,018.24x = 952,568.81 × 534,620.96
  4. Step 4: Simplify right side
    690,018.24x = 509,263,249,809.27
  5. Step 5: Solve for x
    x = 509,263,249,809.27/690,018.24
  6. Step 6: Final answer
    x = 738,043.17

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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.