Home / 877,351.72-1,210,687.33-509,796.27

Finding the Fourth Proportional to 877,351.72, 1,210,687.33 and 509,796.27

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Solution

The fourth proportional to 877,351.72, 1,210,687.33 and 509,796.27 is: 703,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,351.72 : 1,210,687.33 = 509,796.27 : x
  2. Step 2: Convert to fraction form
    877,351.72/1,210,687.33 = 509,796.27/x
  3. Step 3: Cross multiply
    877,351.72x = 1,210,687.33 × 509,796.27
  4. Step 4: Simplify right side
    877,351.72x = 617,203,884,970.26
  5. Step 5: Solve for x
    x = 617,203,884,970.26/877,351.72
  6. Step 6: Final answer
    x = 703,485.13

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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.