Home / 571,056.82-856,140.64-282,669.49

Finding the Fourth Proportional to 571,056.82, 856,140.64 and 282,669.49

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Solution

The fourth proportional to 571,056.82, 856,140.64 and 282,669.49 is: 423,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,056.82 : 856,140.64 = 282,669.49 : x
  2. Step 2: Convert to fraction form
    571,056.82/856,140.64 = 282,669.49/x
  3. Step 3: Cross multiply
    571,056.82x = 856,140.64 × 282,669.49
  4. Step 4: Simplify right side
    571,056.82x = 242,004,838,077.07
  5. Step 5: Solve for x
    x = 242,004,838,077.07/571,056.82
  6. Step 6: Final answer
    x = 423,784.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.