Home / 914,625.80-1,371,938.70-283,603.40

Finding the Fourth Proportional to 914,625.80, 1,371,938.70 and 283,603.40

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Solution

The fourth proportional to 914,625.80, 1,371,938.70 and 283,603.40 is: 425,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,625.80 : 1,371,938.70 = 283,603.40 : x
  2. Step 2: Convert to fraction form
    914,625.80/1,371,938.70 = 283,603.40/x
  3. Step 3: Cross multiply
    914,625.80x = 1,371,938.70 × 283,603.40
  4. Step 4: Simplify right side
    914,625.80x = 389,086,479,911.58
  5. Step 5: Solve for x
    x = 389,086,479,911.58/914,625.80
  6. Step 6: Final answer
    x = 425,405.10

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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.