Home / 804,911.64-1,110,118.86-498,775.38

Finding the Fourth Proportional to 804,911.64, 1,110,118.86 and 498,775.38

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Solution

The fourth proportional to 804,911.64, 1,110,118.86 and 498,775.38 is: 687,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,911.64 : 1,110,118.86 = 498,775.38 : x
  2. Step 2: Convert to fraction form
    804,911.64/1,110,118.86 = 498,775.38/x
  3. Step 3: Cross multiply
    804,911.64x = 1,110,118.86 × 498,775.38
  4. Step 4: Simplify right side
    804,911.64x = 553,699,956,241.67
  5. Step 5: Solve for x
    x = 553,699,956,241.67/804,911.64
  6. Step 6: Final answer
    x = 687,901.54

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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.