Home / 1,520,995.47-2,098,973.79-841,931.97

Finding the Fourth Proportional to 1,520,995.47, 2,098,973.79 and 841,931.97

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Solution

The fourth proportional to 1,520,995.47, 2,098,973.79 and 841,931.97 is: 1,161,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,995.47 : 2,098,973.79 = 841,931.97 : x
  2. Step 2: Convert to fraction form
    1,520,995.47/2,098,973.79 = 841,931.97/x
  3. Step 3: Cross multiply
    1,520,995.47x = 2,098,973.79 × 841,931.97
  4. Step 4: Simplify right side
    1,520,995.47x = 1,767,193,137,993.07
  5. Step 5: Solve for x
    x = 1,767,193,137,993.07/1,520,995.47
  6. Step 6: Final answer
    x = 1,161,866.14

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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.