Home / 1,154,706.64-1,731,617.16-396,406.78

Finding the Fourth Proportional to 1,154,706.64, 1,731,617.16 and 396,406.78

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Solution

The fourth proportional to 1,154,706.64, 1,731,617.16 and 396,406.78 is: 594,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,706.64 : 1,731,617.16 = 396,406.78 : x
  2. Step 2: Convert to fraction form
    1,154,706.64/1,731,617.16 = 396,406.78/x
  3. Step 3: Cross multiply
    1,154,706.64x = 1,731,617.16 × 396,406.78
  4. Step 4: Simplify right side
    1,154,706.64x = 686,424,782,588.35
  5. Step 5: Solve for x
    x = 686,424,782,588.35/1,154,706.64
  6. Step 6: Final answer
    x = 594,458.16

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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.