Home / 746,043.84-1,029,520.80-406,491.84

Finding the Fourth Proportional to 746,043.84, 1,029,520.80 and 406,491.84

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Solution

The fourth proportional to 746,043.84, 1,029,520.80 and 406,491.84 is: 560,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,043.84 : 1,029,520.80 = 406,491.84 : x
  2. Step 2: Convert to fraction form
    746,043.84/1,029,520.80 = 406,491.84/x
  3. Step 3: Cross multiply
    746,043.84x = 1,029,520.80 × 406,491.84
  4. Step 4: Simplify right side
    746,043.84x = 418,491,804,310.27
  5. Step 5: Solve for x
    x = 418,491,804,310.27/746,043.84
  6. Step 6: Final answer
    x = 560,948.01

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Double scale
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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.