Home / 404,319.48-558,140.22-261,149.35

Finding the Fourth Proportional to 404,319.48, 558,140.22 and 261,149.35

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Solution

The fourth proportional to 404,319.48, 558,140.22 and 261,149.35 is: 360,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,319.48 : 558,140.22 = 261,149.35 : x
  2. Step 2: Convert to fraction form
    404,319.48/558,140.22 = 261,149.35/x
  3. Step 3: Cross multiply
    404,319.48x = 558,140.22 × 261,149.35
  4. Step 4: Simplify right side
    404,319.48x = 145,757,955,313.02
  5. Step 5: Solve for x
    x = 145,757,955,313.02/404,319.48
  6. Step 6: Final answer
    x = 360,501.93

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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.