Home / 819,692.16-1,131,355.68-532,713.60

Finding the Fourth Proportional to 819,692.16, 1,131,355.68 and 532,713.60

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Solution

The fourth proportional to 819,692.16, 1,131,355.68 and 532,713.60 is: 735,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,692.16 : 1,131,355.68 = 532,713.60 : x
  2. Step 2: Convert to fraction form
    819,692.16/1,131,355.68 = 532,713.60/x
  3. Step 3: Cross multiply
    819,692.16x = 1,131,355.68 × 532,713.60
  4. Step 4: Simplify right side
    819,692.16x = 602,688,557,173.25
  5. Step 5: Solve for x
    x = 602,688,557,173.25/819,692.16
  6. Step 6: Final answer
    x = 735,262.07

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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.