Home / 1,539,118.64-2,308,677.96-417,187.64

Finding the Fourth Proportional to 1,539,118.64, 2,308,677.96 and 417,187.64

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Solution

The fourth proportional to 1,539,118.64, 2,308,677.96 and 417,187.64 is: 625,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118.64 : 2,308,677.96 = 417,187.64 : x
  2. Step 2: Convert to fraction form
    1,539,118.64/2,308,677.96 = 417,187.64/x
  3. Step 3: Cross multiply
    1,539,118.64x = 2,308,677.96 × 417,187.64
  4. Step 4: Simplify right side
    1,539,118.64x = 963,151,909,652.41
  5. Step 5: Solve for x
    x = 963,151,909,652.41/1,539,118.64
  6. Step 6: Final answer
    x = 625,781.46

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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.