Home / 767,276.16-1,058,816.84-423,126.60

Finding the Fourth Proportional to 767,276.16, 1,058,816.84 and 423,126.60

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Solution

The fourth proportional to 767,276.16, 1,058,816.84 and 423,126.60 is: 583,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,276.16 : 1,058,816.84 = 423,126.60 : x
  2. Step 2: Convert to fraction form
    767,276.16/1,058,816.84 = 423,126.60/x
  3. Step 3: Cross multiply
    767,276.16x = 1,058,816.84 × 423,126.60
  4. Step 4: Simplify right side
    767,276.16x = 448,013,569,531.94
  5. Step 5: Solve for x
    x = 448,013,569,531.94/767,276.16
  6. Step 6: Final answer
    x = 583,901.33

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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.