Home / 1,685,201.68-2,528,440.96-1,011,753.28

Finding the Fourth Proportional to 1,685,201.68, 2,528,440.96 and 1,011,753.28

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Solution

The fourth proportional to 1,685,201.68, 2,528,440.96 and 1,011,753.28 is: 1,518,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,201.68 : 2,528,440.96 = 1,011,753.28 : x
  2. Step 2: Convert to fraction form
    1,685,201.68/2,528,440.96 = 1,011,753.28/x
  3. Step 3: Cross multiply
    1,685,201.68x = 2,528,440.96 × 1,011,753.28
  4. Step 4: Simplify right side
    1,685,201.68x = 2,558,158,434,566.35
  5. Step 5: Solve for x
    x = 2,558,158,434,566.35/1,685,201.68
  6. Step 6: Final answer
    x = 1,518,013.22

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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.