Home / 943,107.74-1,301,488.82-513,391.10

Finding the Fourth Proportional to 943,107.74, 1,301,488.82 and 513,391.10

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Solution

The fourth proportional to 943,107.74, 1,301,488.82 and 513,391.10 is: 708,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,107.74 : 1,301,488.82 = 513,391.10 : x
  2. Step 2: Convert to fraction form
    943,107.74/1,301,488.82 = 513,391.10/x
  3. Step 3: Cross multiply
    943,107.74x = 1,301,488.82 × 513,391.10
  4. Step 4: Simplify right side
    943,107.74x = 668,172,767,863.10
  5. Step 5: Solve for x
    x = 668,172,767,863.10/943,107.74
  6. Step 6: Final answer
    x = 708,479.79

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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.