Home / 827,804.76-1,142,465.30-460,318.59

Finding the Fourth Proportional to 827,804.76, 1,142,465.30 and 460,318.59

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Solution

The fourth proportional to 827,804.76, 1,142,465.30 and 460,318.59 is: 635,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,804.76 : 1,142,465.30 = 460,318.59 : x
  2. Step 2: Convert to fraction form
    827,804.76/1,142,465.30 = 460,318.59/x
  3. Step 3: Cross multiply
    827,804.76x = 1,142,465.30 × 460,318.59
  4. Step 4: Simplify right side
    827,804.76x = 525,898,016,019.93
  5. Step 5: Solve for x
    x = 525,898,016,019.93/827,804.76
  6. Step 6: Final answer
    x = 635,292.33

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Half scale
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Double scale
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Similar ratio
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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.