Home / 708,759.20-1,063,113.20-288,023.20

Finding the Fourth Proportional to 708,759.20, 1,063,113.20 and 288,023.20

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Solution

The fourth proportional to 708,759.20, 1,063,113.20 and 288,023.20 is: 432,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,759.20 : 1,063,113.20 = 288,023.20 : x
  2. Step 2: Convert to fraction form
    708,759.20/1,063,113.20 = 288,023.20/x
  3. Step 3: Cross multiply
    708,759.20x = 1,063,113.20 × 288,023.20
  4. Step 4: Simplify right side
    708,759.20x = 306,201,265,826.24
  5. Step 5: Solve for x
    x = 306,201,265,826.24/708,759.20
  6. Step 6: Final answer
    x = 432,024.40

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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.