Home / 785,816.28-1,084,556.93-463,605.57

Finding the Fourth Proportional to 785,816.28, 1,084,556.93 and 463,605.57

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Solution

The fourth proportional to 785,816.28, 1,084,556.93 and 463,605.57 is: 639,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,816.28 : 1,084,556.93 = 463,605.57 : x
  2. Step 2: Convert to fraction form
    785,816.28/1,084,556.93 = 463,605.57/x
  3. Step 3: Cross multiply
    785,816.28x = 1,084,556.93 × 463,605.57
  4. Step 4: Simplify right side
    785,816.28x = 502,806,631,412.07
  5. Step 5: Solve for x
    x = 502,806,631,412.07/785,816.28
  6. Step 6: Final answer
    x = 639,852.65

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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.