Home / 821,187.48-1,133,182.28-453,648.36

Finding the Fourth Proportional to 821,187.48, 1,133,182.28 and 453,648.36

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Solution

The fourth proportional to 821,187.48, 1,133,182.28 and 453,648.36 is: 626,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,187.48 : 1,133,182.28 = 453,648.36 : x
  2. Step 2: Convert to fraction form
    821,187.48/1,133,182.28 = 453,648.36/x
  3. Step 3: Cross multiply
    821,187.48x = 1,133,182.28 × 453,648.36
  4. Step 4: Simplify right side
    821,187.48x = 514,066,282,903.06
  5. Step 5: Solve for x
    x = 514,066,282,903.06/821,187.48
  6. Step 6: Final answer
    x = 626,003.56

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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.