Home / 821,301.84-1,133,419.39-453,802.66

Finding the Fourth Proportional to 821,301.84, 1,133,419.39 and 453,802.66

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Solution

The fourth proportional to 821,301.84, 1,133,419.39 and 453,802.66 is: 626,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,301.84 : 1,133,419.39 = 453,802.66 : x
  2. Step 2: Convert to fraction form
    821,301.84/1,133,419.39 = 453,802.66/x
  3. Step 3: Cross multiply
    821,301.84x = 1,133,419.39 × 453,802.66
  4. Step 4: Simplify right side
    821,301.84x = 514,348,734,077.58
  5. Step 5: Solve for x
    x = 514,348,734,077.58/821,301.84
  6. Step 6: Final answer
    x = 626,260.30

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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.