Home / 1,490,415.54-2,055,792.55-1,076,262.64

Finding the Fourth Proportional to 1,490,415.54, 2,055,792.55 and 1,076,262.64

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Solution

The fourth proportional to 1,490,415.54, 2,055,792.55 and 1,076,262.64 is: 1,484,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,415.54 : 2,055,792.55 = 1,076,262.64 : x
  2. Step 2: Convert to fraction form
    1,490,415.54/2,055,792.55 = 1,076,262.64/x
  3. Step 3: Cross multiply
    1,490,415.54x = 2,055,792.55 × 1,076,262.64
  4. Step 4: Simplify right side
    1,490,415.54x = 2,212,572,711,116.00
  5. Step 5: Solve for x
    x = 2,212,572,711,116.00/1,490,415.54
  6. Step 6: Final answer
    x = 1,484,534.11

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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.