Home / 474,021.36-654,159.78-282,999.06

Finding the Fourth Proportional to 474,021.36, 654,159.78 and 282,999.06

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Solution

The fourth proportional to 474,021.36, 654,159.78 and 282,999.06 is: 390,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,021.36 : 654,159.78 = 282,999.06 : x
  2. Step 2: Convert to fraction form
    474,021.36/654,159.78 = 282,999.06/x
  3. Step 3: Cross multiply
    474,021.36x = 654,159.78 × 282,999.06
  4. Step 4: Simplify right side
    474,021.36x = 185,126,602,829.81
  5. Step 5: Solve for x
    x = 185,126,602,829.81/474,021.36
  6. Step 6: Final answer
    x = 390,544.85

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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.