Home / 1,226,530.08-1,692,400.92-1,127,315.28

Finding the Fourth Proportional to 1,226,530.08, 1,692,400.92 and 1,127,315.28

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Solution

The fourth proportional to 1,226,530.08, 1,692,400.92 and 1,127,315.28 is: 1,555,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,530.08 : 1,692,400.92 = 1,127,315.28 : x
  2. Step 2: Convert to fraction form
    1,226,530.08/1,692,400.92 = 1,127,315.28/x
  3. Step 3: Cross multiply
    1,226,530.08x = 1,692,400.92 × 1,127,315.28
  4. Step 4: Simplify right side
    1,226,530.08x = 1,907,869,417,002.06
  5. Step 5: Solve for x
    x = 1,907,869,417,002.06/1,226,530.08
  6. Step 6: Final answer
    x = 1,555,501.53

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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.