Home / 909,626.09-1,255,262.00-501,719.17

Finding the Fourth Proportional to 909,626.09, 1,255,262.00 and 501,719.17

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Solution

The fourth proportional to 909,626.09, 1,255,262.00 and 501,719.17 is: 692,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,626.09 : 1,255,262.00 = 501,719.17 : x
  2. Step 2: Convert to fraction form
    909,626.09/1,255,262.00 = 501,719.17/x
  3. Step 3: Cross multiply
    909,626.09x = 1,255,262.00 × 501,719.17
  4. Step 4: Simplify right side
    909,626.09x = 629,789,008,301.58
  5. Step 5: Solve for x
    x = 629,789,008,301.58/909,626.09
  6. Step 6: Final answer
    x = 692,360.32

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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.