Home / 1,352,100.84-1,866,002.79-771,336.75

Finding the Fourth Proportional to 1,352,100.84, 1,866,002.79 and 771,336.75

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Solution

The fourth proportional to 1,352,100.84, 1,866,002.79 and 771,336.75 is: 1,064,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,100.84 : 1,866,002.79 = 771,336.75 : x
  2. Step 2: Convert to fraction form
    1,352,100.84/1,866,002.79 = 771,336.75/x
  3. Step 3: Cross multiply
    1,352,100.84x = 1,866,002.79 × 771,336.75
  4. Step 4: Simplify right side
    1,352,100.84x = 1,439,316,527,529.53
  5. Step 5: Solve for x
    x = 1,439,316,527,529.53/1,352,100.84
  6. Step 6: Final answer
    x = 1,064,503.83

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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.