Home / 598,742.70-898,114.05-386,166.30

Finding the Fourth Proportional to 598,742.70, 898,114.05 and 386,166.30

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Solution

The fourth proportional to 598,742.70, 898,114.05 and 386,166.30 is: 579,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,742.70 : 898,114.05 = 386,166.30 : x
  2. Step 2: Convert to fraction form
    598,742.70/898,114.05 = 386,166.30/x
  3. Step 3: Cross multiply
    598,742.70x = 898,114.05 × 386,166.30
  4. Step 4: Simplify right side
    598,742.70x = 346,821,379,666.52
  5. Step 5: Solve for x
    x = 346,821,379,666.52/598,742.70
  6. Step 6: Final answer
    x = 579,249.45

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Half scale
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Double scale
Find fourth proportional to 598,743.70, 898,115.55 and 386,167.30
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.