Home / 785,982.80-1,083,798-530,891.12

Finding the Fourth Proportional to 785,982.80, 1,083,798 and 530,891.12

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Solution

The fourth proportional to 785,982.80, 1,083,798 and 530,891.12 is: 732,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,982.80 : 1,083,798 = 530,891.12 : x
  2. Step 2: Convert to fraction form
    785,982.80/1,083,798 = 530,891.12/x
  3. Step 3: Cross multiply
    785,982.80x = 1,083,798 × 530,891.12
  4. Step 4: Simplify right side
    785,982.80x = 575,378,734,073.76
  5. Step 5: Solve for x
    x = 575,378,734,073.76/785,982.80
  6. Step 6: Final answer
    x = 732,050.03

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Double scale
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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.