Home / 803,638.63-1,109,089.35-441,123.89

Finding the Fourth Proportional to 803,638.63, 1,109,089.35 and 441,123.89

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Solution

The fourth proportional to 803,638.63, 1,109,089.35 and 441,123.89 is: 608,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,638.63 : 1,109,089.35 = 441,123.89 : x
  2. Step 2: Convert to fraction form
    803,638.63/1,109,089.35 = 441,123.89/x
  3. Step 3: Cross multiply
    803,638.63x = 1,109,089.35 × 441,123.89
  4. Step 4: Simplify right side
    803,638.63x = 489,245,806,759.66
  5. Step 5: Solve for x
    x = 489,245,806,759.66/803,638.63
  6. Step 6: Final answer
    x = 608,788.32

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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.