Home / 808,070.53-1,115,128.33-463,914.69

Finding the Fourth Proportional to 808,070.53, 1,115,128.33 and 463,914.69

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Solution

The fourth proportional to 808,070.53, 1,115,128.33 and 463,914.69 is: 640,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,070.53 : 1,115,128.33 = 463,914.69 : x
  2. Step 2: Convert to fraction form
    808,070.53/1,115,128.33 = 463,914.69/x
  3. Step 3: Cross multiply
    808,070.53x = 1,115,128.33 × 463,914.69
  4. Step 4: Simplify right side
    808,070.53x = 517,324,413,522.17
  5. Step 5: Solve for x
    x = 517,324,413,522.17/808,070.53
  6. Step 6: Final answer
    x = 640,197.10

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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.