Home / 778,659.15-1,074,519.45-434,477.19

Finding the Fourth Proportional to 778,659.15, 1,074,519.45 and 434,477.19

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Solution

The fourth proportional to 778,659.15, 1,074,519.45 and 434,477.19 is: 599,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,659.15 : 1,074,519.45 = 434,477.19 : x
  2. Step 2: Convert to fraction form
    778,659.15/1,074,519.45 = 434,477.19/x
  3. Step 3: Cross multiply
    778,659.15x = 1,074,519.45 × 434,477.19
  4. Step 4: Simplify right side
    778,659.15x = 466,854,191,236.35
  5. Step 5: Solve for x
    x = 466,854,191,236.35/778,659.15
  6. Step 6: Final answer
    x = 599,561.68

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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.