Home / 484,253.64-668,021.04-282,933

Finding the Fourth Proportional to 484,253.64, 668,021.04 and 282,933

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Solution

The fourth proportional to 484,253.64, 668,021.04 and 282,933 is: 390,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,253.64 : 668,021.04 = 282,933 : x
  2. Step 2: Convert to fraction form
    484,253.64/668,021.04 = 282,933/x
  3. Step 3: Cross multiply
    484,253.64x = 668,021.04 × 282,933
  4. Step 4: Simplify right side
    484,253.64x = 189,005,196,910.32
  5. Step 5: Solve for x
    x = 189,005,196,910.32/484,253.64
  6. Step 6: Final answer
    x = 390,302.07

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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.