Home / 726,038.20-1,086,983.70-705,302.20

Finding the Fourth Proportional to 726,038.20, 1,086,983.70 and 705,302.20

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Solution

The fourth proportional to 726,038.20, 1,086,983.70 and 705,302.20 is: 1,055,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,038.20 : 1,086,983.70 = 705,302.20 : x
  2. Step 2: Convert to fraction form
    726,038.20/1,086,983.70 = 705,302.20/x
  3. Step 3: Cross multiply
    726,038.20x = 1,086,983.70 × 705,302.20
  4. Step 4: Simplify right side
    726,038.20x = 766,651,994,974.14
  5. Step 5: Solve for x
    x = 766,651,994,974.14/726,038.20
  6. Step 6: Final answer
    x = 1,055,938.92

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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.