Home / 658,298.81-908,195.16-382,610.86

Finding the Fourth Proportional to 658,298.81, 908,195.16 and 382,610.86

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Solution

The fourth proportional to 658,298.81, 908,195.16 and 382,610.86 is: 527,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,298.81 : 908,195.16 = 382,610.86 : x
  2. Step 2: Convert to fraction form
    658,298.81/908,195.16 = 382,610.86/x
  3. Step 3: Cross multiply
    658,298.81x = 908,195.16 × 382,610.86
  4. Step 4: Simplify right side
    658,298.81x = 347,485,330,379.74
  5. Step 5: Solve for x
    x = 347,485,330,379.74/658,298.81
  6. Step 6: Final answer
    x = 527,853.50

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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.