Home / 1,009,308.60-1,514,230.20-440,445.60

Finding the Fourth Proportional to 1,009,308.60, 1,514,230.20 and 440,445.60

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Solution

The fourth proportional to 1,009,308.60, 1,514,230.20 and 440,445.60 is: 660,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,308.60 : 1,514,230.20 = 440,445.60 : x
  2. Step 2: Convert to fraction form
    1,009,308.60/1,514,230.20 = 440,445.60/x
  3. Step 3: Cross multiply
    1,009,308.60x = 1,514,230.20 × 440,445.60
  4. Step 4: Simplify right side
    1,009,308.60x = 666,936,028,977.12
  5. Step 5: Solve for x
    x = 666,936,028,977.12/1,009,308.60
  6. Step 6: Final answer
    x = 660,785.05

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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.