Home / 930,376.32-1,284,119.28-567,722.40

Finding the Fourth Proportional to 930,376.32, 1,284,119.28 and 567,722.40

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Solution

The fourth proportional to 930,376.32, 1,284,119.28 and 567,722.40 is: 783,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,376.32 : 1,284,119.28 = 567,722.40 : x
  2. Step 2: Convert to fraction form
    930,376.32/1,284,119.28 = 567,722.40/x
  3. Step 3: Cross multiply
    930,376.32x = 1,284,119.28 × 567,722.40
  4. Step 4: Simplify right side
    930,376.32x = 729,023,279,527.87
  5. Step 5: Solve for x
    x = 729,023,279,527.87/930,376.32
  6. Step 6: Final answer
    x = 783,578.93

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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.