Home / 497,041.34-685,926.12-276,299.36

Finding the Fourth Proportional to 497,041.34, 685,926.12 and 276,299.36

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Solution

The fourth proportional to 497,041.34, 685,926.12 and 276,299.36 is: 381,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,041.34 : 685,926.12 = 276,299.36 : x
  2. Step 2: Convert to fraction form
    497,041.34/685,926.12 = 276,299.36/x
  3. Step 3: Cross multiply
    497,041.34x = 685,926.12 × 276,299.36
  4. Step 4: Simplify right side
    497,041.34x = 189,520,947,963.28
  5. Step 5: Solve for x
    x = 189,520,947,963.28/497,041.34
  6. Step 6: Final answer
    x = 381,298.16

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1.5x scale

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.