Home / 1,477,857.84-2,039,466.48-865,864.18

Finding the Fourth Proportional to 1,477,857.84, 2,039,466.48 and 865,864.18

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Solution

The fourth proportional to 1,477,857.84, 2,039,466.48 and 865,864.18 is: 1,194,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,857.84 : 2,039,466.48 = 865,864.18 : x
  2. Step 2: Convert to fraction form
    1,477,857.84/2,039,466.48 = 865,864.18/x
  3. Step 3: Cross multiply
    1,477,857.84x = 2,039,466.48 × 865,864.18
  4. Step 4: Simplify right side
    1,477,857.84x = 1,765,900,971,342.69
  5. Step 5: Solve for x
    x = 1,765,900,971,342.69/1,477,857.84
  6. Step 6: Final answer
    x = 1,194,905.85

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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.