Home / 767,356.02-1,058,976.45-423,207

Finding the Fourth Proportional to 767,356.02, 1,058,976.45 and 423,207

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Solution

The fourth proportional to 767,356.02, 1,058,976.45 and 423,207 is: 584,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,356.02 : 1,058,976.45 = 423,207 : x
  2. Step 2: Convert to fraction form
    767,356.02/1,058,976.45 = 423,207/x
  3. Step 3: Cross multiply
    767,356.02x = 1,058,976.45 × 423,207
  4. Step 4: Simplify right side
    767,356.02x = 448,166,246,475.15
  5. Step 5: Solve for x
    x = 448,166,246,475.15/767,356.02
  6. Step 6: Final answer
    x = 584,039.53

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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.