Home / 839,677.85-1,158,711.71-477,051.38

Finding the Fourth Proportional to 839,677.85, 1,158,711.71 and 477,051.38

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Solution

The fourth proportional to 839,677.85, 1,158,711.71 and 477,051.38 is: 658,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,677.85 : 1,158,711.71 = 477,051.38 : x
  2. Step 2: Convert to fraction form
    839,677.85/1,158,711.71 = 477,051.38/x
  3. Step 3: Cross multiply
    839,677.85x = 1,158,711.71 × 477,051.38
  4. Step 4: Simplify right side
    839,677.85x = 552,765,012,098.84
  5. Step 5: Solve for x
    x = 552,765,012,098.84/839,677.85
  6. Step 6: Final answer
    x = 658,306.06

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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.