Home / 810,036.23-1,117,828.33-447,452.28

Finding the Fourth Proportional to 810,036.23, 1,117,828.33 and 447,452.28

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Solution

The fourth proportional to 810,036.23, 1,117,828.33 and 447,452.28 is: 617,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,036.23 : 1,117,828.33 = 447,452.28 : x
  2. Step 2: Convert to fraction form
    810,036.23/1,117,828.33 = 447,452.28/x
  3. Step 3: Cross multiply
    810,036.23x = 1,117,828.33 × 447,452.28
  4. Step 4: Simplify right side
    810,036.23x = 500,174,836,305.38
  5. Step 5: Solve for x
    x = 500,174,836,305.38/810,036.23
  6. Step 6: Final answer
    x = 617,472.18

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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.