Home / 772,856.08-1,066,339.48-446,089.04

Finding the Fourth Proportional to 772,856.08, 1,066,339.48 and 446,089.04

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Solution

The fourth proportional to 772,856.08, 1,066,339.48 and 446,089.04 is: 615,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,856.08 : 1,066,339.48 = 446,089.04 : x
  2. Step 2: Convert to fraction form
    772,856.08/1,066,339.48 = 446,089.04/x
  3. Step 3: Cross multiply
    772,856.08x = 1,066,339.48 × 446,089.04
  4. Step 4: Simplify right side
    772,856.08x = 475,682,354,947.30
  5. Step 5: Solve for x
    x = 475,682,354,947.30/772,856.08
  6. Step 6: Final answer
    x = 615,486.33

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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.