Home / 1,113,368.40-1,669,955.40-365,414.40

Finding the Fourth Proportional to 1,113,368.40, 1,669,955.40 and 365,414.40

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Solution

The fourth proportional to 1,113,368.40, 1,669,955.40 and 365,414.40 is: 548,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,368.40 : 1,669,955.40 = 365,414.40 : x
  2. Step 2: Convert to fraction form
    1,113,368.40/1,669,955.40 = 365,414.40/x
  3. Step 3: Cross multiply
    1,113,368.40x = 1,669,955.40 × 365,414.40
  4. Step 4: Simplify right side
    1,113,368.40x = 610,225,750,517.76
  5. Step 5: Solve for x
    x = 610,225,750,517.76/1,113,368.40
  6. Step 6: Final answer
    x = 548,089.70

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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.