Home / 877,938.75-1,211,555.48-475,530.75

Finding the Fourth Proportional to 877,938.75, 1,211,555.48 and 475,530.75

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Solution

The fourth proportional to 877,938.75, 1,211,555.48 and 475,530.75 is: 656,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,938.75 : 1,211,555.48 = 475,530.75 : x
  2. Step 2: Convert to fraction form
    877,938.75/1,211,555.48 = 475,530.75/x
  3. Step 3: Cross multiply
    877,938.75x = 1,211,555.48 × 475,530.75
  4. Step 4: Simplify right side
    877,938.75x = 576,131,883,693.36
  5. Step 5: Solve for x
    x = 576,131,883,693.36/877,938.75
  6. Step 6: Final answer
    x = 656,232.44

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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.