Home / 819,237.97-1,130,550.78-475,140.25

Finding the Fourth Proportional to 819,237.97, 1,130,550.78 and 475,140.25

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Solution

The fourth proportional to 819,237.97, 1,130,550.78 and 475,140.25 is: 655,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,237.97 : 1,130,550.78 = 475,140.25 : x
  2. Step 2: Convert to fraction form
    819,237.97/1,130,550.78 = 475,140.25/x
  3. Step 3: Cross multiply
    819,237.97x = 1,130,550.78 × 475,140.25
  4. Step 4: Simplify right side
    819,237.97x = 537,170,180,246.90
  5. Step 5: Solve for x
    x = 537,170,180,246.90/819,237.97
  6. Step 6: Final answer
    x = 655,694.93

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Half scale
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Double scale
Find fourth proportional to 819,238.97, 1,130,552.16 and 475,141.25
Similar ratio
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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.