Home / 940,779.60-1,410,132.60-520,357.20

Finding the Fourth Proportional to 940,779.60, 1,410,132.60 and 520,357.20

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Solution

The fourth proportional to 940,779.60, 1,410,132.60 and 520,357.20 is: 779,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,779.60 : 1,410,132.60 = 520,357.20 : x
  2. Step 2: Convert to fraction form
    940,779.60/1,410,132.60 = 520,357.20/x
  3. Step 3: Cross multiply
    940,779.60x = 1,410,132.60 × 520,357.20
  4. Step 4: Simplify right side
    940,779.60x = 733,772,651,364.72
  5. Step 5: Solve for x
    x = 733,772,651,364.72/940,779.60
  6. Step 6: Final answer
    x = 779,962.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.