Home / 914,624.60-1,371,936.90-283,602.20

Finding the Fourth Proportional to 914,624.60, 1,371,936.90 and 283,602.20

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Solution

The fourth proportional to 914,624.60, 1,371,936.90 and 283,602.20 is: 425,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,624.60 : 1,371,936.90 = 283,602.20 : x
  2. Step 2: Convert to fraction form
    914,624.60/1,371,936.90 = 283,602.20/x
  3. Step 3: Cross multiply
    914,624.60x = 1,371,936.90 × 283,602.20
  4. Step 4: Simplify right side
    914,624.60x = 389,084,323,101.18
  5. Step 5: Solve for x
    x = 389,084,323,101.18/914,624.60
  6. Step 6: Final answer
    x = 425,403.30

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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.