Home / 692,895.84-956,189.04-391,102.56

Finding the Fourth Proportional to 692,895.84, 956,189.04 and 391,102.56

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Solution

The fourth proportional to 692,895.84, 956,189.04 and 391,102.56 is: 539,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,895.84 : 956,189.04 = 391,102.56 : x
  2. Step 2: Convert to fraction form
    692,895.84/956,189.04 = 391,102.56/x
  3. Step 3: Cross multiply
    692,895.84x = 956,189.04 × 391,102.56
  4. Step 4: Simplify right side
    692,895.84x = 373,967,981,387.94
  5. Step 5: Solve for x
    x = 373,967,981,387.94/692,895.84
  6. Step 6: Final answer
    x = 539,717.46

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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.