Home / 855,754.36-1,180,936.68-468,562.74

Finding the Fourth Proportional to 855,754.36, 1,180,936.68 and 468,562.74

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Solution

The fourth proportional to 855,754.36, 1,180,936.68 and 468,562.74 is: 646,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,754.36 : 1,180,936.68 = 468,562.74 : x
  2. Step 2: Convert to fraction form
    855,754.36/1,180,936.68 = 468,562.74/x
  3. Step 3: Cross multiply
    855,754.36x = 1,180,936.68 × 468,562.74
  4. Step 4: Simplify right side
    855,754.36x = 553,342,926,547.30
  5. Step 5: Solve for x
    x = 553,342,926,547.30/855,754.36
  6. Step 6: Final answer
    x = 646,614.21

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1.5x scale

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.