Home / 805,166.70-1,111,117.59-442,582.80

Finding the Fourth Proportional to 805,166.70, 1,111,117.59 and 442,582.80

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Solution

The fourth proportional to 805,166.70, 1,111,117.59 and 442,582.80 is: 610,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,166.70 : 1,111,117.59 = 442,582.80 : x
  2. Step 2: Convert to fraction form
    805,166.70/1,111,117.59 = 442,582.80/x
  3. Step 3: Cross multiply
    805,166.70x = 1,111,117.59 × 442,582.80
  4. Step 4: Simplify right side
    805,166.70x = 491,761,534,111.45
  5. Step 5: Solve for x
    x = 491,761,534,111.45/805,166.70
  6. Step 6: Final answer
    x = 610,757.42

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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.