Home / 634,771.28-875,999.66-348,291.14

Finding the Fourth Proportional to 634,771.28, 875,999.66 and 348,291.14

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Solution

The fourth proportional to 634,771.28, 875,999.66 and 348,291.14 is: 480,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,771.28 : 875,999.66 = 348,291.14 : x
  2. Step 2: Convert to fraction form
    634,771.28/875,999.66 = 348,291.14/x
  3. Step 3: Cross multiply
    634,771.28x = 875,999.66 × 348,291.14
  4. Step 4: Simplify right side
    634,771.28x = 305,102,920,986.19
  5. Step 5: Solve for x
    x = 305,102,920,986.19/634,771.28
  6. Step 6: Final answer
    x = 480,650.16

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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.