Home / 744,122.30-1,026,881.55-404,590.55

Finding the Fourth Proportional to 744,122.30, 1,026,881.55 and 404,590.55

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Solution

The fourth proportional to 744,122.30, 1,026,881.55 and 404,590.55 is: 558,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,122.30 : 1,026,881.55 = 404,590.55 : x
  2. Step 2: Convert to fraction form
    744,122.30/1,026,881.55 = 404,590.55/x
  3. Step 3: Cross multiply
    744,122.30x = 1,026,881.55 × 404,590.55
  4. Step 4: Simplify right side
    744,122.30x = 415,466,565,964.95
  5. Step 5: Solve for x
    x = 415,466,565,964.95/744,122.30
  6. Step 6: Final answer
    x = 558,331.03

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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.