Home / 634,917.43-876,166.29-348,430.15

Finding the Fourth Proportional to 634,917.43, 876,166.29 and 348,430.15

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Solution

The fourth proportional to 634,917.43, 876,166.29 and 348,430.15 is: 480,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,917.43 : 876,166.29 = 348,430.15 : x
  2. Step 2: Convert to fraction form
    634,917.43/876,166.29 = 348,430.15/x
  3. Step 3: Cross multiply
    634,917.43x = 876,166.29 × 348,430.15
  4. Step 4: Simplify right side
    634,917.43x = 305,282,747,468.81
  5. Step 5: Solve for x
    x = 305,282,747,468.81/634,917.43
  6. Step 6: Final answer
    x = 480,822.76

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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.