Home / 1,313,337.06-1,970,005.95-316,065.06

Finding the Fourth Proportional to 1,313,337.06, 1,970,005.95 and 316,065.06

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Solution

The fourth proportional to 1,313,337.06, 1,970,005.95 and 316,065.06 is: 474,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,337.06 : 1,970,005.95 = 316,065.06 : x
  2. Step 2: Convert to fraction form
    1,313,337.06/1,970,005.95 = 316,065.06/x
  3. Step 3: Cross multiply
    1,313,337.06x = 1,970,005.95 × 316,065.06
  4. Step 4: Simplify right side
    1,313,337.06x = 622,650,048,787.11
  5. Step 5: Solve for x
    x = 622,650,048,787.11/1,313,337.06
  6. Step 6: Final answer
    x = 474,097.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.