Home / 767,240.27-1,058,854.64-423,143.52

Finding the Fourth Proportional to 767,240.27, 1,058,854.64 and 423,143.52

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Solution

The fourth proportional to 767,240.27, 1,058,854.64 and 423,143.52 is: 583,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,240.27 : 1,058,854.64 = 423,143.52 : x
  2. Step 2: Convert to fraction form
    767,240.27/1,058,854.64 = 423,143.52/x
  3. Step 3: Cross multiply
    767,240.27x = 1,058,854.64 × 423,143.52
  4. Step 4: Simplify right side
    767,240.27x = 448,047,477,422.22
  5. Step 5: Solve for x
    x = 448,047,477,422.22/767,240.27
  6. Step 6: Final answer
    x = 583,972.84

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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.