Home / 1,590,847.11-2,195,415.20-865,741.59

Finding the Fourth Proportional to 1,590,847.11, 2,195,415.20 and 865,741.59

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Solution

The fourth proportional to 1,590,847.11, 2,195,415.20 and 865,741.59 is: 1,194,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,847.11 : 2,195,415.20 = 865,741.59 : x
  2. Step 2: Convert to fraction form
    1,590,847.11/2,195,415.20 = 865,741.59/x
  3. Step 3: Cross multiply
    1,590,847.11x = 2,195,415.20 × 865,741.59
  4. Step 4: Simplify right side
    1,590,847.11x = 1,900,662,248,122.52
  5. Step 5: Solve for x
    x = 1,900,662,248,122.52/1,590,847.11
  6. Step 6: Final answer
    x = 1,194,748.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.