Home / 837,206.50-1,254,365.39-458,399.87

Finding the Fourth Proportional to 837,206.50, 1,254,365.39 and 458,399.87

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Solution

The fourth proportional to 837,206.50, 1,254,365.39 and 458,399.87 is: 686,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,206.50 : 1,254,365.39 = 458,399.87 : x
  2. Step 2: Convert to fraction form
    837,206.50/1,254,365.39 = 458,399.87/x
  3. Step 3: Cross multiply
    837,206.50x = 1,254,365.39 × 458,399.87
  4. Step 4: Simplify right side
    837,206.50x = 575,000,935,990.41
  5. Step 5: Solve for x
    x = 575,000,935,990.41/837,206.50
  6. Step 6: Final answer
    x = 686,808.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.