Home / 761,624.34-1,051,041.60-422,114.46

Finding the Fourth Proportional to 761,624.34, 1,051,041.60 and 422,114.46

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Solution

The fourth proportional to 761,624.34, 1,051,041.60 and 422,114.46 is: 582,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,624.34 : 1,051,041.60 = 422,114.46 : x
  2. Step 2: Convert to fraction form
    761,624.34/1,051,041.60 = 422,114.46/x
  3. Step 3: Cross multiply
    761,624.34x = 1,051,041.60 × 422,114.46
  4. Step 4: Simplify right side
    761,624.34x = 443,659,857,421.54
  5. Step 5: Solve for x
    x = 443,659,857,421.54/761,624.34
  6. Step 6: Final answer
    x = 582,517.96

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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.