Home / 456,316.16-629,700.48-255,111.68

Finding the Fourth Proportional to 456,316.16, 629,700.48 and 255,111.68

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Solution

The fourth proportional to 456,316.16, 629,700.48 and 255,111.68 is: 352,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,316.16 : 629,700.48 = 255,111.68 : x
  2. Step 2: Convert to fraction form
    456,316.16/629,700.48 = 255,111.68/x
  3. Step 3: Cross multiply
    456,316.16x = 629,700.48 × 255,111.68
  4. Step 4: Simplify right side
    456,316.16x = 160,643,947,349.61
  5. Step 5: Solve for x
    x = 160,643,947,349.61/456,316.16
  6. Step 6: Final answer
    x = 352,045.27

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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.