Home / 1,529,970.68-2,111,347.85-841,627.71

Finding the Fourth Proportional to 1,529,970.68, 2,111,347.85 and 841,627.71

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Solution

The fourth proportional to 1,529,970.68, 2,111,347.85 and 841,627.71 is: 1,161,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,970.68 : 2,111,347.85 = 841,627.71 : x
  2. Step 2: Convert to fraction form
    1,529,970.68/2,111,347.85 = 841,627.71/x
  3. Step 3: Cross multiply
    1,529,970.68x = 2,111,347.85 × 841,627.71
  4. Step 4: Simplify right side
    1,529,970.68x = 1,776,968,858,112.99
  5. Step 5: Solve for x
    x = 1,776,968,858,112.99/1,529,970.68
  6. Step 6: Final answer
    x = 1,161,439.82

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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.