Home / 1,203,156.75-1,660,356.32-666,612.75

Finding the Fourth Proportional to 1,203,156.75, 1,660,356.32 and 666,612.75

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Solution

The fourth proportional to 1,203,156.75, 1,660,356.32 and 666,612.75 is: 919,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,156.75 : 1,660,356.32 = 666,612.75 : x
  2. Step 2: Convert to fraction form
    1,203,156.75/1,660,356.32 = 666,612.75/x
  3. Step 3: Cross multiply
    1,203,156.75x = 1,660,356.32 × 666,612.75
  4. Step 4: Simplify right side
    1,203,156.75x = 1,106,814,689,122.02
  5. Step 5: Solve for x
    x = 1,106,814,689,122.02/1,203,156.75
  6. Step 6: Final answer
    x = 919,925.60

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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.