Home / 930,712.40-1,396,068.60-576,418.40

Finding the Fourth Proportional to 930,712.40, 1,396,068.60 and 576,418.40

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Solution

The fourth proportional to 930,712.40, 1,396,068.60 and 576,418.40 is: 864,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,712.40 : 1,396,068.60 = 576,418.40 : x
  2. Step 2: Convert to fraction form
    930,712.40/1,396,068.60 = 576,418.40/x
  3. Step 3: Cross multiply
    930,712.40x = 1,396,068.60 × 576,418.40
  4. Step 4: Simplify right side
    930,712.40x = 804,719,628,702.24
  5. Step 5: Solve for x
    x = 804,719,628,702.24/930,712.40
  6. Step 6: Final answer
    x = 864,627.60

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1.5x scale

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.