Home / 930,928.40-1,284,672.39-517,454.34

Finding the Fourth Proportional to 930,928.40, 1,284,672.39 and 517,454.34

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Solution

The fourth proportional to 930,928.40, 1,284,672.39 and 517,454.34 is: 714,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,928.40 : 1,284,672.39 = 517,454.34 : x
  2. Step 2: Convert to fraction form
    930,928.40/1,284,672.39 = 517,454.34/x
  3. Step 3: Cross multiply
    930,928.40x = 1,284,672.39 × 517,454.34
  4. Step 4: Simplify right side
    930,928.40x = 664,759,303,683.67
  5. Step 5: Solve for x
    x = 664,759,303,683.67/930,928.40
  6. Step 6: Final answer
    x = 714,082.10

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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.