Home / 1,345,354.11-2,018,523.24-626,038.88

Finding the Fourth Proportional to 1,345,354.11, 2,018,523.24 and 626,038.88

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Solution

The fourth proportional to 1,345,354.11, 2,018,523.24 and 626,038.88 is: 939,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,354.11 : 2,018,523.24 = 626,038.88 : x
  2. Step 2: Convert to fraction form
    1,345,354.11/2,018,523.24 = 626,038.88/x
  3. Step 3: Cross multiply
    1,345,354.11x = 2,018,523.24 × 626,038.88
  4. Step 4: Simplify right side
    1,345,354.11x = 1,263,674,018,330.96
  5. Step 5: Solve for x
    x = 1,263,674,018,330.96/1,345,354.11
  6. Step 6: Final answer
    x = 939,287.29

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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.