Home / 859,135.60-1,185,537.67-496,582.93

Finding the Fourth Proportional to 859,135.60, 1,185,537.67 and 496,582.93

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Solution

The fourth proportional to 859,135.60, 1,185,537.67 and 496,582.93 is: 685,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,135.60 : 1,185,537.67 = 496,582.93 : x
  2. Step 2: Convert to fraction form
    859,135.60/1,185,537.67 = 496,582.93/x
  3. Step 3: Cross multiply
    859,135.60x = 1,185,537.67 × 496,582.93
  4. Step 4: Simplify right side
    859,135.60x = 588,717,769,793.97
  5. Step 5: Solve for x
    x = 588,717,769,793.97/859,135.60
  6. Step 6: Final answer
    x = 685,244.30

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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.