Home / 748,580.40-1,123,192.26-243,296.28

Finding the Fourth Proportional to 748,580.40, 1,123,192.26 and 243,296.28

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Solution

The fourth proportional to 748,580.40, 1,123,192.26 and 243,296.28 is: 365,048.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,580.40 : 1,123,192.26 = 243,296.28 : x
  2. Step 2: Convert to fraction form
    748,580.40/1,123,192.26 = 243,296.28/x
  3. Step 3: Cross multiply
    748,580.40x = 1,123,192.26 × 243,296.28
  4. Step 4: Simplify right side
    748,580.40x = 273,268,498,582.79
  5. Step 5: Solve for x
    x = 273,268,498,582.79/748,580.40
  6. Step 6: Final answer
    x = 365,048.96

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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.