Home / 963,859.70-1,330,134.21-534,146.90

Finding the Fourth Proportional to 963,859.70, 1,330,134.21 and 534,146.90

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Solution

The fourth proportional to 963,859.70, 1,330,134.21 and 534,146.90 is: 737,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,859.70 : 1,330,134.21 = 534,146.90 : x
  2. Step 2: Convert to fraction form
    963,859.70/1,330,134.21 = 534,146.90/x
  3. Step 3: Cross multiply
    963,859.70x = 1,330,134.21 × 534,146.90
  4. Step 4: Simplify right side
    963,859.70x = 710,487,064,855.45
  5. Step 5: Solve for x
    x = 710,487,064,855.45/963,859.70
  6. Step 6: Final answer
    x = 737,127.06

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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.