Home / 1,646,881.93-2,272,768.10-911,836.20

Finding the Fourth Proportional to 1,646,881.93, 2,272,768.10 and 911,836.20

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Solution

The fourth proportional to 1,646,881.93, 2,272,768.10 and 911,836.20 is: 1,258,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,881.93 : 2,272,768.10 = 911,836.20 : x
  2. Step 2: Convert to fraction form
    1,646,881.93/2,272,768.10 = 911,836.20/x
  3. Step 3: Cross multiply
    1,646,881.93x = 2,272,768.10 × 911,836.20
  4. Step 4: Simplify right side
    1,646,881.93x = 2,072,392,235,168.31
  5. Step 5: Solve for x
    x = 2,072,392,235,168.31/1,646,881.93
  6. Step 6: Final answer
    x = 1,258,373.29

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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.