Home / 942,405.63-1,300,421.35-534,377.04

Finding the Fourth Proportional to 942,405.63, 1,300,421.35 and 534,377.04

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Solution

The fourth proportional to 942,405.63, 1,300,421.35 and 534,377.04 is: 737,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,405.63 : 1,300,421.35 = 534,377.04 : x
  2. Step 2: Convert to fraction form
    942,405.63/1,300,421.35 = 534,377.04/x
  3. Step 3: Cross multiply
    942,405.63x = 1,300,421.35 × 534,377.04
  4. Step 4: Simplify right side
    942,405.63x = 694,915,311,765.80
  5. Step 5: Solve for x
    x = 694,915,311,765.80/942,405.63
  6. Step 6: Final answer
    x = 737,384.51

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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.