Home / 1,244,989.16-1,718,061.72-761,518.79

Finding the Fourth Proportional to 1,244,989.16, 1,718,061.72 and 761,518.79

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Solution

The fourth proportional to 1,244,989.16, 1,718,061.72 and 761,518.79 is: 1,050,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,989.16 : 1,718,061.72 = 761,518.79 : x
  2. Step 2: Convert to fraction form
    1,244,989.16/1,718,061.72 = 761,518.79/x
  3. Step 3: Cross multiply
    1,244,989.16x = 1,718,061.72 × 761,518.79
  4. Step 4: Simplify right side
    1,244,989.16x = 1,308,336,283,599.18
  5. Step 5: Solve for x
    x = 1,308,336,283,599.18/1,244,989.16
  6. Step 6: Final answer
    x = 1,050,881.66

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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.