Home / 806,068.50-1,111,902.09-515,574.07

Finding the Fourth Proportional to 806,068.50, 1,111,902.09 and 515,574.07

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Solution

The fourth proportional to 806,068.50, 1,111,902.09 and 515,574.07 is: 711,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,068.50 : 1,111,902.09 = 515,574.07 : x
  2. Step 2: Convert to fraction form
    806,068.50/1,111,902.09 = 515,574.07/x
  3. Step 3: Cross multiply
    806,068.50x = 1,111,902.09 × 515,574.07
  4. Step 4: Simplify right side
    806,068.50x = 573,267,888,747.03
  5. Step 5: Solve for x
    x = 573,267,888,747.03/806,068.50
  6. Step 6: Final answer
    x = 711,190.04

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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.