Home / 1,221,563.61-1,685,802.83-738,035.34

Finding the Fourth Proportional to 1,221,563.61, 1,685,802.83 and 738,035.34

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Solution

The fourth proportional to 1,221,563.61, 1,685,802.83 and 738,035.34 is: 1,018,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,563.61 : 1,685,802.83 = 738,035.34 : x
  2. Step 2: Convert to fraction form
    1,221,563.61/1,685,802.83 = 738,035.34/x
  3. Step 3: Cross multiply
    1,221,563.61x = 1,685,802.83 × 738,035.34
  4. Step 4: Simplify right side
    1,221,563.61x = 1,244,182,064,812.01
  5. Step 5: Solve for x
    x = 1,244,182,064,812.01/1,221,563.61
  6. Step 6: Final answer
    x = 1,018,515.99

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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.