Home / 1,272,113.87-1,908,171.21-462,347.94

Finding the Fourth Proportional to 1,272,113.87, 1,908,171.21 and 462,347.94

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Solution

The fourth proportional to 1,272,113.87, 1,908,171.21 and 462,347.94 is: 693,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,113.87 : 1,908,171.21 = 462,347.94 : x
  2. Step 2: Convert to fraction form
    1,272,113.87/1,908,171.21 = 462,347.94/x
  3. Step 3: Cross multiply
    1,272,113.87x = 1,908,171.21 × 462,347.94
  4. Step 4: Simplify right side
    1,272,113.87x = 882,239,028,110.81
  5. Step 5: Solve for x
    x = 882,239,028,110.81/1,272,113.87
  6. Step 6: Final answer
    x = 693,522.06

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Double scale
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1.5x scale

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.