Home / 814,341.76-1,123,794.48-451,772.80

Finding the Fourth Proportional to 814,341.76, 1,123,794.48 and 451,772.80

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Solution

The fourth proportional to 814,341.76, 1,123,794.48 and 451,772.80 is: 623,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,341.76 : 1,123,794.48 = 451,772.80 : x
  2. Step 2: Convert to fraction form
    814,341.76/1,123,794.48 = 451,772.80/x
  3. Step 3: Cross multiply
    814,341.76x = 1,123,794.48 × 451,772.80
  4. Step 4: Simplify right side
    814,341.76x = 507,699,778,854.14
  5. Step 5: Solve for x
    x = 507,699,778,854.14/814,341.76
  6. Step 6: Final answer
    x = 623,448.05

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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.