Home / 767,353.54-1,058,955.78-423,201.82

Finding the Fourth Proportional to 767,353.54, 1,058,955.78 and 423,201.82

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Solution

The fourth proportional to 767,353.54, 1,058,955.78 and 423,201.82 is: 584,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,353.54 : 1,058,955.78 = 423,201.82 : x
  2. Step 2: Convert to fraction form
    767,353.54/1,058,955.78 = 423,201.82/x
  3. Step 3: Cross multiply
    767,353.54x = 1,058,955.78 × 423,201.82
  4. Step 4: Simplify right side
    767,353.54x = 448,152,013,395.52
  5. Step 5: Solve for x
    x = 448,152,013,395.52/767,353.54
  6. Step 6: Final answer
    x = 584,022.87

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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.