Home / 1,605,298.63-2,215,227.45-916,835.14

Finding the Fourth Proportional to 1,605,298.63, 2,215,227.45 and 916,835.14

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Solution

The fourth proportional to 1,605,298.63, 2,215,227.45 and 916,835.14 is: 1,265,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,298.63 : 2,215,227.45 = 916,835.14 : x
  2. Step 2: Convert to fraction form
    1,605,298.63/2,215,227.45 = 916,835.14/x
  3. Step 3: Cross multiply
    1,605,298.63x = 2,215,227.45 × 916,835.14
  4. Step 4: Simplify right side
    1,605,298.63x = 2,030,998,369,252.59
  5. Step 5: Solve for x
    x = 2,030,998,369,252.59/1,605,298.63
  6. Step 6: Final answer
    x = 1,265,184.14

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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.