Home / 1,561,332.71-2,154,539.45-873,061.34

Finding the Fourth Proportional to 1,561,332.71, 2,154,539.45 and 873,061.34

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Solution

The fourth proportional to 1,561,332.71, 2,154,539.45 and 873,061.34 is: 1,204,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,332.71 : 2,154,539.45 = 873,061.34 : x
  2. Step 2: Convert to fraction form
    1,561,332.71/2,154,539.45 = 873,061.34/x
  3. Step 3: Cross multiply
    1,561,332.71x = 2,154,539.45 × 873,061.34
  4. Step 4: Simplify right side
    1,561,332.71x = 1,881,045,090,709.82
  5. Step 5: Solve for x
    x = 1,881,045,090,709.82/1,561,332.71
  6. Step 6: Final answer
    x = 1,204,768.90

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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.