Home / 885,301.40-1,326,368.10-538,453.40

Finding the Fourth Proportional to 885,301.40, 1,326,368.10 and 538,453.40

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Solution

The fourth proportional to 885,301.40, 1,326,368.10 and 538,453.40 is: 806,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,301.40 : 1,326,368.10 = 538,453.40 : x
  2. Step 2: Convert to fraction form
    885,301.40/1,326,368.10 = 538,453.40/x
  3. Step 3: Cross multiply
    885,301.40x = 1,326,368.10 × 538,453.40
  4. Step 4: Simplify right side
    885,301.40x = 714,187,413,096.54
  5. Step 5: Solve for x
    x = 714,187,413,096.54/885,301.40
  6. Step 6: Final answer
    x = 806,716.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.