Home / 821,236.29-1,133,282.91-458,649.51

Finding the Fourth Proportional to 821,236.29, 1,133,282.91 and 458,649.51

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Solution

The fourth proportional to 821,236.29, 1,133,282.91 and 458,649.51 is: 632,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,236.29 : 1,133,282.91 = 458,649.51 : x
  2. Step 2: Convert to fraction form
    821,236.29/1,133,282.91 = 458,649.51/x
  3. Step 3: Cross multiply
    821,236.29x = 1,133,282.91 × 458,649.51
  4. Step 4: Simplify right side
    821,236.29x = 519,779,651,362.87
  5. Step 5: Solve for x
    x = 519,779,651,362.87/821,236.29
  6. Step 6: Final answer
    x = 632,923.38

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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.