Home / 683,166.07-942,697.56-396,630.19

Finding the Fourth Proportional to 683,166.07, 942,697.56 and 396,630.19

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Solution

The fourth proportional to 683,166.07, 942,697.56 and 396,630.19 is: 547,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,166.07 : 942,697.56 = 396,630.19 : x
  2. Step 2: Convert to fraction form
    683,166.07/942,697.56 = 396,630.19/x
  3. Step 3: Cross multiply
    683,166.07x = 942,697.56 × 396,630.19
  4. Step 4: Simplify right side
    683,166.07x = 373,902,312,335.34
  5. Step 5: Solve for x
    x = 373,902,312,335.34/683,166.07
  6. Step 6: Final answer
    x = 547,308.08

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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.