Home / 1,232,409.69-1,700,713.85-688,639.19

Finding the Fourth Proportional to 1,232,409.69, 1,700,713.85 and 688,639.19

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Solution

The fourth proportional to 1,232,409.69, 1,700,713.85 and 688,639.19 is: 950,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,409.69 : 1,700,713.85 = 688,639.19 : x
  2. Step 2: Convert to fraction form
    1,232,409.69/1,700,713.85 = 688,639.19/x
  3. Step 3: Cross multiply
    1,232,409.69x = 1,700,713.85 × 688,639.19
  4. Step 4: Simplify right side
    1,232,409.69x = 1,171,178,196,139.02
  5. Step 5: Solve for x
    x = 1,171,178,196,139.02/1,232,409.69
  6. Step 6: Final answer
    x = 950,315.63

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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.