Home / 822,865.13-1,135,639.40-474,017.57

Finding the Fourth Proportional to 822,865.13, 1,135,639.40 and 474,017.57

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Solution

The fourth proportional to 822,865.13, 1,135,639.40 and 474,017.57 is: 654,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,865.13 : 1,135,639.40 = 474,017.57 : x
  2. Step 2: Convert to fraction form
    822,865.13/1,135,639.40 = 474,017.57/x
  3. Step 3: Cross multiply
    822,865.13x = 1,135,639.40 × 474,017.57
  4. Step 4: Simplify right side
    822,865.13x = 538,313,028,784.26
  5. Step 5: Solve for x
    x = 538,313,028,784.26/822,865.13
  6. Step 6: Final answer
    x = 654,193.51

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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.