Home / 598,741.70-898,112.55-386,165.30

Finding the Fourth Proportional to 598,741.70, 898,112.55 and 386,165.30

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Solution

The fourth proportional to 598,741.70, 898,112.55 and 386,165.30 is: 579,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,741.70 : 898,112.55 = 386,165.30 : x
  2. Step 2: Convert to fraction form
    598,741.70/898,112.55 = 386,165.30/x
  3. Step 3: Cross multiply
    598,741.70x = 898,112.55 × 386,165.30
  4. Step 4: Simplify right side
    598,741.70x = 346,819,902,304.52
  5. Step 5: Solve for x
    x = 346,819,902,304.52/598,741.70
  6. Step 6: Final answer
    x = 579,247.95

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Half scale
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Double scale
Find fourth proportional to 598,742.70, 898,114.05 and 386,166.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.