Home / 473,259.78-653,093.55-258,399.18

Finding the Fourth Proportional to 473,259.78, 653,093.55 and 258,399.18

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Solution

The fourth proportional to 473,259.78, 653,093.55 and 258,399.18 is: 356,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,259.78 : 653,093.55 = 258,399.18 : x
  2. Step 2: Convert to fraction form
    473,259.78/653,093.55 = 258,399.18/x
  3. Step 3: Cross multiply
    473,259.78x = 653,093.55 × 258,399.18
  4. Step 4: Simplify right side
    473,259.78x = 168,758,837,783.29
  5. Step 5: Solve for x
    x = 168,758,837,783.29/473,259.78
  6. Step 6: Final answer
    x = 356,588.17

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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.