Home / 851,680.11-1,174,240.22-561,246.51

Finding the Fourth Proportional to 851,680.11, 1,174,240.22 and 561,246.51

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Solution

The fourth proportional to 851,680.11, 1,174,240.22 and 561,246.51 is: 773,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,680.11 : 1,174,240.22 = 561,246.51 : x
  2. Step 2: Convert to fraction form
    851,680.11/1,174,240.22 = 561,246.51/x
  3. Step 3: Cross multiply
    851,680.11x = 1,174,240.22 × 561,246.51
  4. Step 4: Simplify right side
    851,680.11x = 659,038,222,570.40
  5. Step 5: Solve for x
    x = 659,038,222,570.40/851,680.11
  6. Step 6: Final answer
    x = 773,809.57

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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.