Home / 859,221.98-1,185,459.46-496,513.70

Finding the Fourth Proportional to 859,221.98, 1,185,459.46 and 496,513.70

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Solution

The fourth proportional to 859,221.98, 1,185,459.46 and 496,513.70 is: 685,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,221.98 : 1,185,459.46 = 496,513.70 : x
  2. Step 2: Convert to fraction form
    859,221.98/1,185,459.46 = 496,513.70/x
  3. Step 3: Cross multiply
    859,221.98x = 1,185,459.46 × 496,513.70
  4. Step 4: Simplify right side
    859,221.98x = 588,596,855,516.02
  5. Step 5: Solve for x
    x = 588,596,855,516.02/859,221.98
  6. Step 6: Final answer
    x = 685,034.69

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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.