Home / 1,590,509.76-2,194,964.16-911,577.60

Finding the Fourth Proportional to 1,590,509.76, 2,194,964.16 and 911,577.60

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Solution

The fourth proportional to 1,590,509.76, 2,194,964.16 and 911,577.60 is: 1,258,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,509.76 : 2,194,964.16 = 911,577.60 : x
  2. Step 2: Convert to fraction form
    1,590,509.76/2,194,964.16 = 911,577.60/x
  3. Step 3: Cross multiply
    1,590,509.76x = 2,194,964.16 × 911,577.60
  4. Step 4: Simplify right side
    1,590,509.76x = 2,000,880,161,058.82
  5. Step 5: Solve for x
    x = 2,000,880,161,058.82/1,590,509.76
  6. Step 6: Final answer
    x = 1,258,011.87

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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.