Home / 840,376.14-1,159,700.27-458,416.59

Finding the Fourth Proportional to 840,376.14, 1,159,700.27 and 458,416.59

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Solution

The fourth proportional to 840,376.14, 1,159,700.27 and 458,416.59 is: 632,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,376.14 : 1,159,700.27 = 458,416.59 : x
  2. Step 2: Convert to fraction form
    840,376.14/1,159,700.27 = 458,416.59/x
  3. Step 3: Cross multiply
    840,376.14x = 1,159,700.27 × 458,416.59
  4. Step 4: Simplify right side
    840,376.14x = 531,625,840,903.40
  5. Step 5: Solve for x
    x = 531,625,840,903.40/840,376.14
  6. Step 6: Final answer
    x = 632,604.63

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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.