Home / 872,233.23-1,203,505.45-509,587.03

Finding the Fourth Proportional to 872,233.23, 1,203,505.45 and 509,587.03

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Solution

The fourth proportional to 872,233.23, 1,203,505.45 and 509,587.03 is: 703,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,233.23 : 1,203,505.45 = 509,587.03 : x
  2. Step 2: Convert to fraction form
    872,233.23/1,203,505.45 = 509,587.03/x
  3. Step 3: Cross multiply
    872,233.23x = 1,203,505.45 × 509,587.03
  4. Step 4: Simplify right side
    872,233.23x = 613,290,767,854.31
  5. Step 5: Solve for x
    x = 613,290,767,854.31/872,233.23
  6. Step 6: Final answer
    x = 703,127.04

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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.