Home / 1,688,812.61-2,330,516.25-963,647.15

Finding the Fourth Proportional to 1,688,812.61, 2,330,516.25 and 963,647.15

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Solution

The fourth proportional to 1,688,812.61, 2,330,516.25 and 963,647.15 is: 1,329,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,812.61 : 2,330,516.25 = 963,647.15 : x
  2. Step 2: Convert to fraction form
    1,688,812.61/2,330,516.25 = 963,647.15/x
  3. Step 3: Cross multiply
    1,688,812.61x = 2,330,516.25 × 963,647.15
  4. Step 4: Simplify right side
    1,688,812.61x = 2,245,795,330,688.61
  5. Step 5: Solve for x
    x = 2,245,795,330,688.61/1,688,812.61
  6. Step 6: Final answer
    x = 1,329,807.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.