Home / 778,091.17-1,073,774.02-438,559.42

Finding the Fourth Proportional to 778,091.17, 1,073,774.02 and 438,559.42

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Solution

The fourth proportional to 778,091.17, 1,073,774.02 and 438,559.42 is: 605,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,091.17 : 1,073,774.02 = 438,559.42 : x
  2. Step 2: Convert to fraction form
    778,091.17/1,073,774.02 = 438,559.42/x
  3. Step 3: Cross multiply
    778,091.17x = 1,073,774.02 × 438,559.42
  4. Step 4: Simplify right side
    778,091.17x = 470,913,715,203.10
  5. Step 5: Solve for x
    x = 470,913,715,203.10/778,091.17
  6. Step 6: Final answer
    x = 605,216.63

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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.