Home / 790,372.22-1,185,561.34-191,332.40

Finding the Fourth Proportional to 790,372.22, 1,185,561.34 and 191,332.40

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Solution

The fourth proportional to 790,372.22, 1,185,561.34 and 191,332.40 is: 286,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,372.22 : 1,185,561.34 = 191,332.40 : x
  2. Step 2: Convert to fraction form
    790,372.22/1,185,561.34 = 191,332.40/x
  3. Step 3: Cross multiply
    790,372.22x = 1,185,561.34 × 191,332.40
  4. Step 4: Simplify right side
    790,372.22x = 226,836,290,123.28
  5. Step 5: Solve for x
    x = 226,836,290,123.28/790,372.22
  6. Step 6: Final answer
    x = 286,999.32

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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.