Home / 855,457.62-1,180,513.89-473,461.62

Finding the Fourth Proportional to 855,457.62, 1,180,513.89 and 473,461.62

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Solution

The fourth proportional to 855,457.62, 1,180,513.89 and 473,461.62 is: 653,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,457.62 : 1,180,513.89 = 473,461.62 : x
  2. Step 2: Convert to fraction form
    855,457.62/1,180,513.89 = 473,461.62/x
  3. Step 3: Cross multiply
    855,457.62x = 1,180,513.89 × 473,461.62
  4. Step 4: Simplify right side
    855,457.62x = 558,928,018,791.90
  5. Step 5: Solve for x
    x = 558,928,018,791.90/855,457.62
  6. Step 6: Final answer
    x = 653,367.28

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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.