Home / 810,343.34-1,118,269.22-447,767.26

Finding the Fourth Proportional to 810,343.34, 1,118,269.22 and 447,767.26

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Solution

The fourth proportional to 810,343.34, 1,118,269.22 and 447,767.26 is: 617,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,343.34 : 1,118,269.22 = 447,767.26 : x
  2. Step 2: Convert to fraction form
    810,343.34/1,118,269.22 = 447,767.26/x
  3. Step 3: Cross multiply
    810,343.34x = 1,118,269.22 × 447,767.26
  4. Step 4: Simplify right side
    810,343.34x = 500,724,344,581.74
  5. Step 5: Solve for x
    x = 500,724,344,581.74/810,343.34
  6. Step 6: Final answer
    x = 617,916.28

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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.