Home / 839,010.30-1,157,828.28-457,037.10

Finding the Fourth Proportional to 839,010.30, 1,157,828.28 and 457,037.10

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Solution

The fourth proportional to 839,010.30, 1,157,828.28 and 457,037.10 is: 630,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,010.30 : 1,157,828.28 = 457,037.10 : x
  2. Step 2: Convert to fraction form
    839,010.30/1,157,828.28 = 457,037.10/x
  3. Step 3: Cross multiply
    839,010.30x = 1,157,828.28 × 457,037.10
  4. Step 4: Simplify right side
    839,010.30x = 529,170,479,389.19
  5. Step 5: Solve for x
    x = 529,170,479,389.19/839,010.30
  6. Step 6: Final answer
    x = 630,707.97

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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.