Home / 746,019.92-1,029,507.68-406,488.16

Finding the Fourth Proportional to 746,019.92, 1,029,507.68 and 406,488.16

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Solution

The fourth proportional to 746,019.92, 1,029,507.68 and 406,488.16 is: 560,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,019.92 : 1,029,507.68 = 406,488.16 : x
  2. Step 2: Convert to fraction form
    746,019.92/1,029,507.68 = 406,488.16/x
  3. Step 3: Cross multiply
    746,019.92x = 1,029,507.68 × 406,488.16
  4. Step 4: Simplify right side
    746,019.92x = 418,482,682,549.07
  5. Step 5: Solve for x
    x = 418,482,682,549.07/746,019.92
  6. Step 6: Final answer
    x = 560,953.76

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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.