Home / 773,905.86-1,067,931.54-434,308.50

Finding the Fourth Proportional to 773,905.86, 1,067,931.54 and 434,308.50

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Solution

The fourth proportional to 773,905.86, 1,067,931.54 and 434,308.50 is: 599,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,905.86 : 1,067,931.54 = 434,308.50 : x
  2. Step 2: Convert to fraction form
    773,905.86/1,067,931.54 = 434,308.50/x
  3. Step 3: Cross multiply
    773,905.86x = 1,067,931.54 × 434,308.50
  4. Step 4: Simplify right side
    773,905.86x = 463,811,745,240.09
  5. Step 5: Solve for x
    x = 463,811,745,240.09/773,905.86
  6. Step 6: Final answer
    x = 599,312.87

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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.