Home / 746,319.50-1,029,921.63-406,789.10

Finding the Fourth Proportional to 746,319.50, 1,029,921.63 and 406,789.10

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Solution

The fourth proportional to 746,319.50, 1,029,921.63 and 406,789.10 is: 561,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,319.50 : 1,029,921.63 = 406,789.10 : x
  2. Step 2: Convert to fraction form
    746,319.50/1,029,921.63 = 406,789.10/x
  3. Step 3: Cross multiply
    746,319.50x = 1,029,921.63 × 406,789.10
  4. Step 4: Simplify right side
    746,319.50x = 418,960,892,938.23
  5. Step 5: Solve for x
    x = 418,960,892,938.23/746,319.50
  6. Step 6: Final answer
    x = 561,369.35

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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.