Home / 744,008.20-1,026,702.60-404,476.60

Finding the Fourth Proportional to 744,008.20, 1,026,702.60 and 404,476.60

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Solution

The fourth proportional to 744,008.20, 1,026,702.60 and 404,476.60 is: 558,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,008.20 : 1,026,702.60 = 404,476.60 : x
  2. Step 2: Convert to fraction form
    744,008.20/1,026,702.60 = 404,476.60/x
  3. Step 3: Cross multiply
    744,008.20x = 1,026,702.60 × 404,476.60
  4. Step 4: Simplify right side
    744,008.20x = 415,277,176,859.16
  5. Step 5: Solve for x
    x = 415,277,176,859.16/744,008.20
  6. Step 6: Final answer
    x = 558,162.10

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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.