Home / 777,489.60-1,071,336.96-596,192.16

Finding the Fourth Proportional to 777,489.60, 1,071,336.96 and 596,192.16

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Solution

The fourth proportional to 777,489.60, 1,071,336.96 and 596,192.16 is: 821,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,489.60 : 1,071,336.96 = 596,192.16 : x
  2. Step 2: Convert to fraction form
    777,489.60/1,071,336.96 = 596,192.16/x
  3. Step 3: Cross multiply
    777,489.60x = 1,071,336.96 × 596,192.16
  4. Step 4: Simplify right side
    777,489.60x = 638,722,696,270.23
  5. Step 5: Solve for x
    x = 638,722,696,270.23/777,489.60
  6. Step 6: Final answer
    x = 821,519.28

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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.