Home / 778,820.05-1,168,230.08-441,730.45

Finding the Fourth Proportional to 778,820.05, 1,168,230.08 and 441,730.45

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Solution

The fourth proportional to 778,820.05, 1,168,230.08 and 441,730.45 is: 662,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,820.05 : 1,168,230.08 = 441,730.45 : x
  2. Step 2: Convert to fraction form
    778,820.05/1,168,230.08 = 441,730.45/x
  3. Step 3: Cross multiply
    778,820.05x = 1,168,230.08 × 441,730.45
  4. Step 4: Simplify right side
    778,820.05x = 516,042,798,941.94
  5. Step 5: Solve for x
    x = 516,042,798,941.94/778,820.05
  6. Step 6: Final answer
    x = 662,595.68

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Similar ratio
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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.