Home / 1,358,463.15-1,874,639.61-777,666.69

Finding the Fourth Proportional to 1,358,463.15, 1,874,639.61 and 777,666.69

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Solution

The fourth proportional to 1,358,463.15, 1,874,639.61 and 777,666.69 is: 1,073,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,463.15 : 1,874,639.61 = 777,666.69 : x
  2. Step 2: Convert to fraction form
    1,358,463.15/1,874,639.61 = 777,666.69/x
  3. Step 3: Cross multiply
    1,358,463.15x = 1,874,639.61 × 777,666.69
  4. Step 4: Simplify right side
    1,358,463.15x = 1,457,844,780,451.59
  5. Step 5: Solve for x
    x = 1,457,844,780,451.59/1,358,463.15
  6. Step 6: Final answer
    x = 1,073,157.40

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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.