Home / 1,589,572.60-2,384,358.90-1,415,390.20

Finding the Fourth Proportional to 1,589,572.60, 2,384,358.90 and 1,415,390.20

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Solution

The fourth proportional to 1,589,572.60, 2,384,358.90 and 1,415,390.20 is: 2,123,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,572.60 : 2,384,358.90 = 1,415,390.20 : x
  2. Step 2: Convert to fraction form
    1,589,572.60/2,384,358.90 = 1,415,390.20/x
  3. Step 3: Cross multiply
    1,589,572.60x = 2,384,358.90 × 1,415,390.20
  4. Step 4: Simplify right side
    1,589,572.60x = 3,374,798,220,342.78
  5. Step 5: Solve for x
    x = 3,374,798,220,342.78/1,589,572.60
  6. Step 6: Final answer
    x = 2,123,085.30

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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.