Home / 783,504.74-1,081,460.75-461,401.67

Finding the Fourth Proportional to 783,504.74, 1,081,460.75 and 461,401.67

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Solution

The fourth proportional to 783,504.74, 1,081,460.75 and 461,401.67 is: 636,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,504.74 : 1,081,460.75 = 461,401.67 : x
  2. Step 2: Convert to fraction form
    783,504.74/1,081,460.75 = 461,401.67/x
  3. Step 3: Cross multiply
    783,504.74x = 1,081,460.75 × 461,401.67
  4. Step 4: Simplify right side
    783,504.74x = 498,987,796,089.45
  5. Step 5: Solve for x
    x = 498,987,796,089.45/783,504.74
  6. Step 6: Final answer
    x = 636,866.34

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Double scale
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1.5x scale

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.