Home / 1,306,642.22-1,798,995.20-1,114,886.06

Finding the Fourth Proportional to 1,306,642.22, 1,798,995.20 and 1,114,886.06

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Solution

The fourth proportional to 1,306,642.22, 1,798,995.20 and 1,114,886.06 is: 1,534,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,642.22 : 1,798,995.20 = 1,114,886.06 : x
  2. Step 2: Convert to fraction form
    1,306,642.22/1,798,995.20 = 1,114,886.06/x
  3. Step 3: Cross multiply
    1,306,642.22x = 1,798,995.20 × 1,114,886.06
  4. Step 4: Simplify right side
    1,306,642.22x = 2,005,674,670,486.91
  5. Step 5: Solve for x
    x = 2,005,674,670,486.91/1,306,642.22
  6. Step 6: Final answer
    x = 1,534,983.82

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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.