Home / 767,240.38-1,058,854.76-423,143.61

Finding the Fourth Proportional to 767,240.38, 1,058,854.76 and 423,143.61

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Solution

The fourth proportional to 767,240.38, 1,058,854.76 and 423,143.61 is: 583,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,240.38 : 1,058,854.76 = 423,143.61 : x
  2. Step 2: Convert to fraction form
    767,240.38/1,058,854.76 = 423,143.61/x
  3. Step 3: Cross multiply
    767,240.38x = 1,058,854.76 × 423,143.61
  4. Step 4: Simplify right side
    767,240.38x = 448,047,623,496.37
  5. Step 5: Solve for x
    x = 448,047,623,496.37/767,240.38
  6. Step 6: Final answer
    x = 583,972.95

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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.