Home / 1,302,194.08-1,953,392.10-391,305.43

Finding the Fourth Proportional to 1,302,194.08, 1,953,392.10 and 391,305.43

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Solution

The fourth proportional to 1,302,194.08, 1,953,392.10 and 391,305.43 is: 586,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,194.08 : 1,953,392.10 = 391,305.43 : x
  2. Step 2: Convert to fraction form
    1,302,194.08/1,953,392.10 = 391,305.43/x
  3. Step 3: Cross multiply
    1,302,194.08x = 1,953,392.10 × 391,305.43
  4. Step 4: Simplify right side
    1,302,194.08x = 764,372,935,649.10
  5. Step 5: Solve for x
    x = 764,372,935,649.10/1,302,194.08
  6. Step 6: Final answer
    x = 586,988.49

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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.