Home / 1,216,711.50-1,824,935.79-407,004.15

Finding the Fourth Proportional to 1,216,711.50, 1,824,935.79 and 407,004.15

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Solution

The fourth proportional to 1,216,711.50, 1,824,935.79 and 407,004.15 is: 610,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,711.50 : 1,824,935.79 = 407,004.15 : x
  2. Step 2: Convert to fraction form
    1,216,711.50/1,824,935.79 = 407,004.15/x
  3. Step 3: Cross multiply
    1,216,711.50x = 1,824,935.79 × 407,004.15
  4. Step 4: Simplify right side
    1,216,711.50x = 742,756,440,013.53
  5. Step 5: Solve for x
    x = 742,756,440,013.53/1,216,711.50
  6. Step 6: Final answer
    x = 610,462.25

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1.5x scale

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.