Home / 1,048,066.66-1,445,304.51-665,429.14

Finding the Fourth Proportional to 1,048,066.66, 1,445,304.51 and 665,429.14

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Solution

The fourth proportional to 1,048,066.66, 1,445,304.51 and 665,429.14 is: 917,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,066.66 : 1,445,304.51 = 665,429.14 : x
  2. Step 2: Convert to fraction form
    1,048,066.66/1,445,304.51 = 665,429.14/x
  3. Step 3: Cross multiply
    1,048,066.66x = 1,445,304.51 × 665,429.14
  4. Step 4: Simplify right side
    1,048,066.66x = 961,747,737,127.42
  5. Step 5: Solve for x
    x = 961,747,737,127.42/1,048,066.66
  6. Step 6: Final answer
    x = 917,639.85

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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.