Home / 519,027.92-716,279.36-289,605.24

Finding the Fourth Proportional to 519,027.92, 716,279.36 and 289,605.24

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Solution

The fourth proportional to 519,027.92, 716,279.36 and 289,605.24 is: 399,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,027.92 : 716,279.36 = 289,605.24 : x
  2. Step 2: Convert to fraction form
    519,027.92/716,279.36 = 289,605.24/x
  3. Step 3: Cross multiply
    519,027.92x = 716,279.36 × 289,605.24
  4. Step 4: Simplify right side
    519,027.92x = 207,438,254,511.82
  5. Step 5: Solve for x
    x = 207,438,254,511.82/519,027.92
  6. Step 6: Final answer
    x = 399,666.86

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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.