Home / 877,459.50-1,316,189.43-316,493.94

Finding the Fourth Proportional to 877,459.50, 1,316,189.43 and 316,493.94

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Solution

The fourth proportional to 877,459.50, 1,316,189.43 and 316,493.94 is: 474,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,459.50 : 1,316,189.43 = 316,493.94 : x
  2. Step 2: Convert to fraction form
    877,459.50/1,316,189.43 = 316,493.94/x
  3. Step 3: Cross multiply
    877,459.50x = 1,316,189.43 × 316,493.94
  4. Step 4: Simplify right side
    877,459.50x = 416,565,978,487.05
  5. Step 5: Solve for x
    x = 416,565,978,487.05/877,459.50
  6. Step 6: Final answer
    x = 474,740.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.