Home / 1,224,628.80-1,837,234.80-514,291.20

Finding the Fourth Proportional to 1,224,628.80, 1,837,234.80 and 514,291.20

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Solution

The fourth proportional to 1,224,628.80, 1,837,234.80 and 514,291.20 is: 771,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,628.80 : 1,837,234.80 = 514,291.20 : x
  2. Step 2: Convert to fraction form
    1,224,628.80/1,837,234.80 = 514,291.20/x
  3. Step 3: Cross multiply
    1,224,628.80x = 1,837,234.80 × 514,291.20
  4. Step 4: Simplify right side
    1,224,628.80x = 944,873,689,973.76
  5. Step 5: Solve for x
    x = 944,873,689,973.76/1,224,628.80
  6. Step 6: Final answer
    x = 771,559.26

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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.