Home / 1,113,362.40-1,669,946.40-365,408.40

Finding the Fourth Proportional to 1,113,362.40, 1,669,946.40 and 365,408.40

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Solution

The fourth proportional to 1,113,362.40, 1,669,946.40 and 365,408.40 is: 548,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,362.40 : 1,669,946.40 = 365,408.40 : x
  2. Step 2: Convert to fraction form
    1,113,362.40/1,669,946.40 = 365,408.40/x
  3. Step 3: Cross multiply
    1,113,362.40x = 1,669,946.40 × 365,408.40
  4. Step 4: Simplify right side
    1,113,362.40x = 610,212,442,109.76
  5. Step 5: Solve for x
    x = 610,212,442,109.76/1,113,362.40
  6. Step 6: Final answer
    x = 548,080.70

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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.