Home / 839,010.67-1,157,828.81-457,037.46

Finding the Fourth Proportional to 839,010.67, 1,157,828.81 and 457,037.46

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Solution

The fourth proportional to 839,010.67, 1,157,828.81 and 457,037.46 is: 630,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,010.67 : 1,157,828.81 = 457,037.46 : x
  2. Step 2: Convert to fraction form
    839,010.67/1,157,828.81 = 457,037.46/x
  3. Step 3: Cross multiply
    839,010.67x = 1,157,828.81 × 457,037.46
  4. Step 4: Simplify right side
    839,010.67x = 529,171,136,152.04
  5. Step 5: Solve for x
    x = 529,171,136,152.04/839,010.67
  6. Step 6: Final answer
    x = 630,708.47

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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.