Home / 778,216.20-1,074,177.62-456,030.06

Finding the Fourth Proportional to 778,216.20, 1,074,177.62 and 456,030.06

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Solution

The fourth proportional to 778,216.20, 1,074,177.62 and 456,030.06 is: 629,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,216.20 : 1,074,177.62 = 456,030.06 : x
  2. Step 2: Convert to fraction form
    778,216.20/1,074,177.62 = 456,030.06/x
  3. Step 3: Cross multiply
    778,216.20x = 1,074,177.62 × 456,030.06
  4. Step 4: Simplify right side
    778,216.20x = 489,857,284,499.26
  5. Step 5: Solve for x
    x = 489,857,284,499.26/778,216.20
  6. Step 6: Final answer
    x = 629,461.69

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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.