Home / 858,868.65-1,185,698.88-662,205.57

Finding the Fourth Proportional to 858,868.65, 1,185,698.88 and 662,205.57

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Solution

The fourth proportional to 858,868.65, 1,185,698.88 and 662,205.57 is: 914,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,868.65 : 1,185,698.88 = 662,205.57 : x
  2. Step 2: Convert to fraction form
    858,868.65/1,185,698.88 = 662,205.57/x
  3. Step 3: Cross multiply
    858,868.65x = 1,185,698.88 × 662,205.57
  4. Step 4: Simplify right side
    858,868.65x = 785,176,402,678.76
  5. Step 5: Solve for x
    x = 785,176,402,678.76/858,868.65
  6. Step 6: Final answer
    x = 914,198.47

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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.