Home / 806,733.40-1,210,100.10-745,907.80

Finding the Fourth Proportional to 806,733.40, 1,210,100.10 and 745,907.80

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Solution

The fourth proportional to 806,733.40, 1,210,100.10 and 745,907.80 is: 1,118,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,733.40 : 1,210,100.10 = 745,907.80 : x
  2. Step 2: Convert to fraction form
    806,733.40/1,210,100.10 = 745,907.80/x
  3. Step 3: Cross multiply
    806,733.40x = 1,210,100.10 × 745,907.80
  4. Step 4: Simplify right side
    806,733.40x = 902,623,103,370.78
  5. Step 5: Solve for x
    x = 902,623,103,370.78/806,733.40
  6. Step 6: Final answer
    x = 1,118,861.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.