Home / 581,192.48-802,055.20-319,558.88

Finding the Fourth Proportional to 581,192.48, 802,055.20 and 319,558.88

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Solution

The fourth proportional to 581,192.48, 802,055.20 and 319,558.88 is: 440,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,192.48 : 802,055.20 = 319,558.88 : x
  2. Step 2: Convert to fraction form
    581,192.48/802,055.20 = 319,558.88/x
  3. Step 3: Cross multiply
    581,192.48x = 802,055.20 × 319,558.88
  4. Step 4: Simplify right side
    581,192.48x = 256,303,861,410.18
  5. Step 5: Solve for x
    x = 256,303,861,410.18/581,192.48
  6. Step 6: Final answer
    x = 440,996.52

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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.