Home / 539,619.64-744,681.12-297,902.36

Finding the Fourth Proportional to 539,619.64, 744,681.12 and 297,902.36

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Solution

The fourth proportional to 539,619.64, 744,681.12 and 297,902.36 is: 411,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,619.64 : 744,681.12 = 297,902.36 : x
  2. Step 2: Convert to fraction form
    539,619.64/744,681.12 = 297,902.36/x
  3. Step 3: Cross multiply
    539,619.64x = 744,681.12 × 297,902.36
  4. Step 4: Simplify right side
    539,619.64x = 221,842,263,095.44
  5. Step 5: Solve for x
    x = 221,842,263,095.44/539,619.64
  6. Step 6: Final answer
    x = 411,108.58

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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.