Home / 778,057.04-1,166,103.84-417,333.26

Finding the Fourth Proportional to 778,057.04, 1,166,103.84 and 417,333.26

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Solution

The fourth proportional to 778,057.04, 1,166,103.84 and 417,333.26 is: 625,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,057.04 : 1,166,103.84 = 417,333.26 : x
  2. Step 2: Convert to fraction form
    778,057.04/1,166,103.84 = 417,333.26/x
  3. Step 3: Cross multiply
    778,057.04x = 1,166,103.84 × 417,333.26
  4. Step 4: Simplify right side
    778,057.04x = 486,653,917,045.72
  5. Step 5: Solve for x
    x = 486,653,917,045.72/778,057.04
  6. Step 6: Final answer
    x = 625,473.32

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Double scale
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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.