Home / 802,298.54-1,105,194.47-687,202.19

Finding the Fourth Proportional to 802,298.54, 1,105,194.47 and 687,202.19

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Solution

The fourth proportional to 802,298.54, 1,105,194.47 and 687,202.19 is: 946,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,298.54 : 1,105,194.47 = 687,202.19 : x
  2. Step 2: Convert to fraction form
    802,298.54/1,105,194.47 = 687,202.19/x
  3. Step 3: Cross multiply
    802,298.54x = 1,105,194.47 × 687,202.19
  4. Step 4: Simplify right side
    802,298.54x = 759,492,051,197.91
  5. Step 5: Solve for x
    x = 759,492,051,197.91/802,298.54
  6. Step 6: Final answer
    x = 946,645.19

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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.