Home / 859,339.58-1,185,756.98-496,693.58

Finding the Fourth Proportional to 859,339.58, 1,185,756.98 and 496,693.58

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Solution

The fourth proportional to 859,339.58, 1,185,756.98 and 496,693.58 is: 685,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,339.58 : 1,185,756.98 = 496,693.58 : x
  2. Step 2: Convert to fraction form
    859,339.58/1,185,756.98 = 496,693.58/x
  3. Step 3: Cross multiply
    859,339.58x = 1,185,756.98 × 496,693.58
  4. Step 4: Simplify right side
    859,339.58x = 588,957,879,406.19
  5. Step 5: Solve for x
    x = 588,957,879,406.19/859,339.58
  6. Step 6: Final answer
    x = 685,361.05

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Double scale
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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.