Home / 746,335.76-1,029,938.10-406,806.44

Finding the Fourth Proportional to 746,335.76, 1,029,938.10 and 406,806.44

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Solution

The fourth proportional to 746,335.76, 1,029,938.10 and 406,806.44 is: 561,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,335.76 : 1,029,938.10 = 406,806.44 : x
  2. Step 2: Convert to fraction form
    746,335.76/1,029,938.10 = 406,806.44/x
  3. Step 3: Cross multiply
    746,335.76x = 1,029,938.10 × 406,806.44
  4. Step 4: Simplify right side
    746,335.76x = 418,985,451,881.36
  5. Step 5: Solve for x
    x = 418,985,451,881.36/746,335.76
  6. Step 6: Final answer
    x = 561,390.03

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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.