Home / 592,666.40-817,879.58-320,734.28

Finding the Fourth Proportional to 592,666.40, 817,879.58 and 320,734.28

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Solution

The fourth proportional to 592,666.40, 817,879.58 and 320,734.28 is: 442,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,666.40 : 817,879.58 = 320,734.28 : x
  2. Step 2: Convert to fraction form
    592,666.40/817,879.58 = 320,734.28/x
  3. Step 3: Cross multiply
    592,666.40x = 817,879.58 × 320,734.28
  4. Step 4: Simplify right side
    592,666.40x = 262,322,019,861.78
  5. Step 5: Solve for x
    x = 262,322,019,861.78/592,666.40
  6. Step 6: Final answer
    x = 442,613.28

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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.