Home / 898,698.71-1,240,212.66-511,495.14

Finding the Fourth Proportional to 898,698.71, 1,240,212.66 and 511,495.14

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Solution

The fourth proportional to 898,698.71, 1,240,212.66 and 511,495.14 is: 705,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,698.71 : 1,240,212.66 = 511,495.14 : x
  2. Step 2: Convert to fraction form
    898,698.71/1,240,212.66 = 511,495.14/x
  3. Step 3: Cross multiply
    898,698.71x = 1,240,212.66 × 511,495.14
  4. Step 4: Simplify right side
    898,698.71x = 634,362,748,156.47
  5. Step 5: Solve for x
    x = 634,362,748,156.47/898,698.71
  6. Step 6: Final answer
    x = 705,868.09

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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.