Home / 785,073.36-1,083,398.16-440,861.52

Finding the Fourth Proportional to 785,073.36, 1,083,398.16 and 440,861.52

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Solution

The fourth proportional to 785,073.36, 1,083,398.16 and 440,861.52 is: 608,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,073.36 : 1,083,398.16 = 440,861.52 : x
  2. Step 2: Convert to fraction form
    785,073.36/1,083,398.16 = 440,861.52/x
  3. Step 3: Cross multiply
    785,073.36x = 1,083,398.16 × 440,861.52
  4. Step 4: Simplify right side
    785,073.36x = 477,628,559,582.80
  5. Step 5: Solve for x
    x = 477,628,559,582.80/785,073.36
  6. Step 6: Final answer
    x = 608,387.17

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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.