Home / 685,895.58-946,585.74-414,029.58

Finding the Fourth Proportional to 685,895.58, 946,585.74 and 414,029.58

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Solution

The fourth proportional to 685,895.58, 946,585.74 and 414,029.58 is: 571,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,895.58 : 946,585.74 = 414,029.58 : x
  2. Step 2: Convert to fraction form
    685,895.58/946,585.74 = 414,029.58/x
  3. Step 3: Cross multiply
    685,895.58x = 946,585.74 × 414,029.58
  4. Step 4: Simplify right side
    685,895.58x = 391,914,496,366.19
  5. Step 5: Solve for x
    x = 391,914,496,366.19/685,895.58
  6. Step 6: Final answer
    x = 571,390.91

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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.