Home / 778,575.33-1,074,357.95-451,837.53

Finding the Fourth Proportional to 778,575.33, 1,074,357.95 and 451,837.53

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Solution

The fourth proportional to 778,575.33, 1,074,357.95 and 451,837.53 is: 623,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,575.33 : 1,074,357.95 = 451,837.53 : x
  2. Step 2: Convert to fraction form
    778,575.33/1,074,357.95 = 451,837.53/x
  3. Step 3: Cross multiply
    778,575.33x = 1,074,357.95 × 451,837.53
  4. Step 4: Simplify right side
    778,575.33x = 485,435,240,204.68
  5. Step 5: Solve for x
    x = 485,435,240,204.68/778,575.33
  6. Step 6: Final answer
    x = 623,491.68

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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.