Home / 767,527.72-1,059,205.20-423,374.11

Finding the Fourth Proportional to 767,527.72, 1,059,205.20 and 423,374.11

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Solution

The fourth proportional to 767,527.72, 1,059,205.20 and 423,374.11 is: 584,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,527.72 : 1,059,205.20 = 423,374.11 : x
  2. Step 2: Convert to fraction form
    767,527.72/1,059,205.20 = 423,374.11/x
  3. Step 3: Cross multiply
    767,527.72x = 1,059,205.20 × 423,374.11
  4. Step 4: Simplify right side
    767,527.72x = 448,440,058,857.37
  5. Step 5: Solve for x
    x = 448,440,058,857.37/767,527.72
  6. Step 6: Final answer
    x = 584,265.62

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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.