Home / 1,588,137.26-2,191,451.51-899,661.63

Finding the Fourth Proportional to 1,588,137.26, 2,191,451.51 and 899,661.63

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Solution

The fourth proportional to 1,588,137.26, 2,191,451.51 and 899,661.63 is: 1,241,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,137.26 : 2,191,451.51 = 899,661.63 : x
  2. Step 2: Convert to fraction form
    1,588,137.26/2,191,451.51 = 899,661.63/x
  3. Step 3: Cross multiply
    1,588,137.26x = 2,191,451.51 × 899,661.63
  4. Step 4: Simplify right side
    1,588,137.26x = 1,971,564,837,552.56
  5. Step 5: Solve for x
    x = 1,971,564,837,552.56/1,588,137.26
  6. Step 6: Final answer
    x = 1,241,432.27

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Double scale
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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.