Home / 717,403.86-989,944.08-441,717.93

Finding the Fourth Proportional to 717,403.86, 989,944.08 and 441,717.93

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Solution

The fourth proportional to 717,403.86, 989,944.08 and 441,717.93 is: 609,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,403.86 : 989,944.08 = 441,717.93 : x
  2. Step 2: Convert to fraction form
    717,403.86/989,944.08 = 441,717.93/x
  3. Step 3: Cross multiply
    717,403.86x = 989,944.08 × 441,717.93
  4. Step 4: Simplify right side
    717,403.86x = 437,276,049,833.35
  5. Step 5: Solve for x
    x = 437,276,049,833.35/717,403.86
  6. Step 6: Final answer
    x = 609,525.64

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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.