Home / 1,681,724-2,320,828.32-917,826.56

Finding the Fourth Proportional to 1,681,724, 2,320,828.32 and 917,826.56

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Solution

The fourth proportional to 1,681,724, 2,320,828.32 and 917,826.56 is: 1,266,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,724 : 2,320,828.32 = 917,826.56 : x
  2. Step 2: Convert to fraction form
    1,681,724/2,320,828.32 = 917,826.56/x
  3. Step 3: Cross multiply
    1,681,724x = 2,320,828.32 × 917,826.56
  4. Step 4: Simplify right side
    1,681,724x = 2,130,117,873,296.18
  5. Step 5: Solve for x
    x = 2,130,117,873,296.18/1,681,724
  6. Step 6: Final answer
    x = 1,266,627.50

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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.