Home / 683,001.59-942,609.15-396,504.59

Finding the Fourth Proportional to 683,001.59, 942,609.15 and 396,504.59

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Solution

The fourth proportional to 683,001.59, 942,609.15 and 396,504.59 is: 547,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,001.59 : 942,609.15 = 396,504.59 : x
  2. Step 2: Convert to fraction form
    683,001.59/942,609.15 = 396,504.59/x
  3. Step 3: Cross multiply
    683,001.59x = 942,609.15 × 396,504.59
  4. Step 4: Simplify right side
    683,001.59x = 373,748,849,837.95
  5. Step 5: Solve for x
    x = 373,748,849,837.95/683,001.59
  6. Step 6: Final answer
    x = 547,215.20

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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.