Home / 1,409,705.36-2,114,539.71-344,756.64

Finding the Fourth Proportional to 1,409,705.36, 2,114,539.71 and 344,756.64

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Solution

The fourth proportional to 1,409,705.36, 2,114,539.71 and 344,756.64 is: 517,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,705.36 : 2,114,539.71 = 344,756.64 : x
  2. Step 2: Convert to fraction form
    1,409,705.36/2,114,539.71 = 344,756.64/x
  3. Step 3: Cross multiply
    1,409,705.36x = 2,114,539.71 × 344,756.64
  4. Step 4: Simplify right side
    1,409,705.36x = 729,001,605,566.18
  5. Step 5: Solve for x
    x = 729,001,605,566.18/1,409,705.36
  6. Step 6: Final answer
    x = 517,130.48

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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.