Home / 1,209,812.45-1,815,979.74-536,366.67

Finding the Fourth Proportional to 1,209,812.45, 1,815,979.74 and 536,366.67

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Solution

The fourth proportional to 1,209,812.45, 1,815,979.74 and 536,366.67 is: 805,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,812.45 : 1,815,979.74 = 536,366.67 : x
  2. Step 2: Convert to fraction form
    1,209,812.45/1,815,979.74 = 536,366.67/x
  3. Step 3: Cross multiply
    1,209,812.45x = 1,815,979.74 × 536,366.67
  4. Step 4: Simplify right side
    1,209,812.45x = 974,031,005,931.27
  5. Step 5: Solve for x
    x = 974,031,005,931.27/1,209,812.45
  6. Step 6: Final answer
    x = 805,109.10

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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.