Home / 835,369.97-1,152,811.70-453,396.78

Finding the Fourth Proportional to 835,369.97, 1,152,811.70 and 453,396.78

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Solution

The fourth proportional to 835,369.97, 1,152,811.70 and 453,396.78 is: 625,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,369.97 : 1,152,811.70 = 453,396.78 : x
  2. Step 2: Convert to fraction form
    835,369.97/1,152,811.70 = 453,396.78/x
  3. Step 3: Cross multiply
    835,369.97x = 1,152,811.70 × 453,396.78
  4. Step 4: Simplify right side
    835,369.97x = 522,681,110,459.34
  5. Step 5: Solve for x
    x = 522,681,110,459.34/835,369.97
  6. Step 6: Final answer
    x = 625,688.18

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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.