Home / 1,539,009.60-2,308,514.40-417,078.60

Finding the Fourth Proportional to 1,539,009.60, 2,308,514.40 and 417,078.60

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Solution

The fourth proportional to 1,539,009.60, 2,308,514.40 and 417,078.60 is: 625,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,009.60 : 2,308,514.40 = 417,078.60 : x
  2. Step 2: Convert to fraction form
    1,539,009.60/2,308,514.40 = 417,078.60/x
  3. Step 3: Cross multiply
    1,539,009.60x = 2,308,514.40 × 417,078.60
  4. Step 4: Simplify right side
    1,539,009.60x = 962,831,954,031.84
  5. Step 5: Solve for x
    x = 962,831,954,031.84/1,539,009.60
  6. Step 6: Final answer
    x = 625,617.90

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Double scale
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Similar ratio
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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.