Home / 921,284.79-1,271,378.07-534,329.57

Finding the Fourth Proportional to 921,284.79, 1,271,378.07 and 534,329.57

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Solution

The fourth proportional to 921,284.79, 1,271,378.07 and 534,329.57 is: 737,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,284.79 : 1,271,378.07 = 534,329.57 : x
  2. Step 2: Convert to fraction form
    921,284.79/1,271,378.07 = 534,329.57/x
  3. Step 3: Cross multiply
    921,284.79x = 1,271,378.07 × 534,329.57
  4. Step 4: Simplify right side
    921,284.79x = 679,334,891,093.64
  5. Step 5: Solve for x
    x = 679,334,891,093.64/921,284.79
  6. Step 6: Final answer
    x = 737,377.73

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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.