Home / 1,243,406.53-1,865,109.69-344,848.25

Finding the Fourth Proportional to 1,243,406.53, 1,865,109.69 and 344,848.25

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Solution

The fourth proportional to 1,243,406.53, 1,865,109.69 and 344,848.25 is: 517,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,406.53 : 1,865,109.69 = 344,848.25 : x
  2. Step 2: Convert to fraction form
    1,243,406.53/1,865,109.69 = 344,848.25/x
  3. Step 3: Cross multiply
    1,243,406.53x = 1,865,109.69 × 344,848.25
  4. Step 4: Simplify right side
    1,243,406.53x = 643,179,817,317.32
  5. Step 5: Solve for x
    x = 643,179,817,317.32/1,243,406.53
  6. Step 6: Final answer
    x = 517,272.35

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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.