Home / 812,564.25-1,121,037.53-526,242.21

Finding the Fourth Proportional to 812,564.25, 1,121,037.53 and 526,242.21

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Solution

The fourth proportional to 812,564.25, 1,121,037.53 and 526,242.21 is: 726,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,564.25 : 1,121,037.53 = 526,242.21 : x
  2. Step 2: Convert to fraction form
    812,564.25/1,121,037.53 = 526,242.21/x
  3. Step 3: Cross multiply
    812,564.25x = 1,121,037.53 × 526,242.21
  4. Step 4: Simplify right side
    812,564.25x = 589,937,267,280.14
  5. Step 5: Solve for x
    x = 589,937,267,280.14/812,564.25
  6. Step 6: Final answer
    x = 726,019.23

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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.