Home / 914,551.20-1,371,826.80-283,658.40

Finding the Fourth Proportional to 914,551.20, 1,371,826.80 and 283,658.40

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Solution

The fourth proportional to 914,551.20, 1,371,826.80 and 283,658.40 is: 425,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,551.20 : 1,371,826.80 = 283,658.40 : x
  2. Step 2: Convert to fraction form
    914,551.20/1,371,826.80 = 283,658.40/x
  3. Step 3: Cross multiply
    914,551.20x = 1,371,826.80 × 283,658.40
  4. Step 4: Simplify right side
    914,551.20x = 389,130,195,165.12
  5. Step 5: Solve for x
    x = 389,130,195,165.12/914,551.20
  6. Step 6: Final answer
    x = 425,487.60

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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.