Home / 1,689,931.27-2,534,860.95-410,544.76

Finding the Fourth Proportional to 1,689,931.27, 2,534,860.95 and 410,544.76

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Solution

The fourth proportional to 1,689,931.27, 2,534,860.95 and 410,544.76 is: 615,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,931.27 : 2,534,860.95 = 410,544.76 : x
  2. Step 2: Convert to fraction form
    1,689,931.27/2,534,860.95 = 410,544.76/x
  3. Step 3: Cross multiply
    1,689,931.27x = 2,534,860.95 × 410,544.76
  4. Step 4: Simplify right side
    1,689,931.27x = 1,040,673,880,351.12
  5. Step 5: Solve for x
    x = 1,040,673,880,351.12/1,689,931.27
  6. Step 6: Final answer
    x = 615,808.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.