Home / 778,582.09-1,074,443.57-439,050.34

Finding the Fourth Proportional to 778,582.09, 1,074,443.57 and 439,050.34

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Solution

The fourth proportional to 778,582.09, 1,074,443.57 and 439,050.34 is: 605,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,582.09 : 1,074,443.57 = 439,050.34 : x
  2. Step 2: Convert to fraction form
    778,582.09/1,074,443.57 = 439,050.34/x
  3. Step 3: Cross multiply
    778,582.09x = 1,074,443.57 × 439,050.34
  4. Step 4: Simplify right side
    778,582.09x = 471,734,814,719.31
  5. Step 5: Solve for x
    x = 471,734,814,719.31/778,582.09
  6. Step 6: Final answer
    x = 605,889.63

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Double scale
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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.