Home / 838,844.76-1,157,619.24-456,871.56

Finding the Fourth Proportional to 838,844.76, 1,157,619.24 and 456,871.56

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Solution

The fourth proportional to 838,844.76, 1,157,619.24 and 456,871.56 is: 630,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,844.76 : 1,157,619.24 = 456,871.56 : x
  2. Step 2: Convert to fraction form
    838,844.76/1,157,619.24 = 456,871.56/x
  3. Step 3: Cross multiply
    838,844.76x = 1,157,619.24 × 456,871.56
  4. Step 4: Simplify right side
    838,844.76x = 528,883,308,064.81
  5. Step 5: Solve for x
    x = 528,883,308,064.81/838,844.76
  6. Step 6: Final answer
    x = 630,490.09

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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.