Home / 955,092.70-1,318,020.55-525,363.40

Finding the Fourth Proportional to 955,092.70, 1,318,020.55 and 525,363.40

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Solution

The fourth proportional to 955,092.70, 1,318,020.55 and 525,363.40 is: 724,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,092.70 : 1,318,020.55 = 525,363.40 : x
  2. Step 2: Convert to fraction form
    955,092.70/1,318,020.55 = 525,363.40/x
  3. Step 3: Cross multiply
    955,092.70x = 1,318,020.55 × 525,363.40
  4. Step 4: Simplify right side
    955,092.70x = 692,439,757,417.87
  5. Step 5: Solve for x
    x = 692,439,757,417.87/955,092.70
  6. Step 6: Final answer
    x = 724,997.43

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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.